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authorLuca Boccassi <luca.boccassi@gmail.com>2017-08-16 18:42:05 +0100
committerLuca Boccassi <luca.boccassi@gmail.com>2017-08-16 18:46:04 +0100
commitf239aed5e674965691846e8ce3f187dd47523689 (patch)
treea153a3125c6e183c73871a8ecaa4b285fed5fbd5 /lib/librte_cryptodev/rte_cryptodev.c
parentbf7567fd2a5b0b28ab724046143c24561d38d015 (diff)
New upstream version 17.08
Change-Id: I288b50990f52646089d6b1f3aaa6ba2f091a51d7 Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'lib/librte_cryptodev/rte_cryptodev.c')
-rw-r--r--lib/librte_cryptodev/rte_cryptodev.c655
1 files changed, 247 insertions, 408 deletions
diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c
index b65cd9ce..327d7e84 100644
--- a/lib/librte_cryptodev/rte_cryptodev.c
+++ b/lib/librte_cryptodev/rte_cryptodev.c
@@ -47,7 +47,6 @@
#include <rte_debug.h>
#include <rte_dev.h>
#include <rte_interrupts.h>
-#include <rte_pci.h>
#include <rte_memory.h>
#include <rte_memcpy.h>
#include <rte_memzone.h>
@@ -70,6 +69,8 @@
#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];
@@ -101,18 +102,6 @@ struct rte_cryptodev_callback {
uint32_t active; /**< Callback is executing */
};
-#define RTE_CRYPTODEV_VDEV_NAME ("name")
-#define RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG ("max_nb_queue_pairs")
-#define RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG ("max_nb_sessions")
-#define RTE_CRYPTODEV_VDEV_SOCKET_ID ("socket_id")
-
-static const char *cryptodev_vdev_valid_params[] = {
- RTE_CRYPTODEV_VDEV_NAME,
- RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
- RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
- RTE_CRYPTODEV_VDEV_SOCKET_ID
-};
-
/**
* The crypto cipher algorithm strings identifiers.
* It could be used in application command line.
@@ -124,11 +113,9 @@ rte_crypto_cipher_algorithm_strings[] = {
[RTE_CRYPTO_CIPHER_3DES_CTR] = "3des-ctr",
[RTE_CRYPTO_CIPHER_AES_CBC] = "aes-cbc",
- [RTE_CRYPTO_CIPHER_AES_CCM] = "aes-ccm",
[RTE_CRYPTO_CIPHER_AES_CTR] = "aes-ctr",
[RTE_CRYPTO_CIPHER_AES_DOCSISBPI] = "aes-docsisbpi",
[RTE_CRYPTO_CIPHER_AES_ECB] = "aes-ecb",
- [RTE_CRYPTO_CIPHER_AES_GCM] = "aes-gcm",
[RTE_CRYPTO_CIPHER_AES_F8] = "aes-f8",
[RTE_CRYPTO_CIPHER_AES_XTS] = "aes-xts",
@@ -161,9 +148,7 @@ rte_crypto_cipher_operation_strings[] = {
const char *
rte_crypto_auth_algorithm_strings[] = {
[RTE_CRYPTO_AUTH_AES_CBC_MAC] = "aes-cbc-mac",
- [RTE_CRYPTO_AUTH_AES_CCM] = "aes-ccm",
[RTE_CRYPTO_AUTH_AES_CMAC] = "aes-cmac",
- [RTE_CRYPTO_AUTH_AES_GCM] = "aes-gcm",
[RTE_CRYPTO_AUTH_AES_GMAC] = "aes-gmac",
[RTE_CRYPTO_AUTH_AES_XCBC_MAC] = "aes-xcbc-mac",
@@ -189,6 +174,26 @@ rte_crypto_auth_algorithm_strings[] = {
[RTE_CRYPTO_AUTH_ZUC_EIA3] = "zuc-eia3"
};
+/**
+ * The crypto AEAD algorithm strings identifiers.
+ * It could be used in application command line.
+ */
+const char *
+rte_crypto_aead_algorithm_strings[] = {
+ [RTE_CRYPTO_AEAD_AES_CCM] = "aes-ccm",
+ [RTE_CRYPTO_AEAD_AES_GCM] = "aes-gcm",
+};
+
+/**
+ * The crypto AEAD operation strings identifiers.
+ * It could be used in application command line.
+ */
+const char *
+rte_crypto_aead_operation_strings[] = {
+ [RTE_CRYPTO_AEAD_OP_ENCRYPT] = "encrypt",
+ [RTE_CRYPTO_AEAD_OP_DECRYPT] = "decrypt"
+};
+
int
rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
const char *algo_string)
@@ -223,6 +228,23 @@ rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
return -1;
}
+int
+rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
+ const char *algo_string)
+{
+ unsigned int i;
+
+ for (i = 1; i < RTE_DIM(rte_crypto_aead_algorithm_strings); i++) {
+ if (strcmp(algo_string, rte_crypto_aead_algorithm_strings[i]) == 0) {
+ *algo_enum = (enum rte_crypto_aead_algorithm) i;
+ return 0;
+ }
+ }
+
+ /* Invalid string */
+ return -1;
+}
+
/**
* The crypto auth operation strings identifiers.
* It could be used in application command line.
@@ -233,111 +255,6 @@ rte_crypto_auth_operation_strings[] = {
[RTE_CRYPTO_AUTH_OP_GENERATE] = "generate"
};
-static uint8_t
-number_of_sockets(void)
-{
- int sockets = 0;
- int i;
- const struct rte_memseg *ms = rte_eal_get_physmem_layout();
-
- for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
- if (sockets < ms[i].socket_id)
- sockets = ms[i].socket_id;
- }
-
- /* Number of sockets = maximum socket_id + 1 */
- return ++sockets;
-}
-
-/** Parse integer from integer argument */
-static int
-parse_integer_arg(const char *key __rte_unused,
- const char *value, void *extra_args)
-{
- int *i = extra_args;
-
- *i = atoi(value);
- if (*i < 0) {
- CDEV_LOG_ERR("Argument has to be positive.");
- return -1;
- }
-
- return 0;
-}
-
-/** Parse name */
-static int
-parse_name_arg(const char *key __rte_unused,
- const char *value, void *extra_args)
-{
- struct rte_crypto_vdev_init_params *params = extra_args;
-
- if (strlen(value) >= RTE_CRYPTODEV_NAME_MAX_LEN - 1) {
- CDEV_LOG_ERR("Invalid name %s, should be less than "
- "%u bytes", value,
- RTE_CRYPTODEV_NAME_MAX_LEN - 1);
- return -1;
- }
-
- strncpy(params->name, value, RTE_CRYPTODEV_NAME_MAX_LEN);
-
- return 0;
-}
-
-int
-rte_cryptodev_parse_vdev_init_params(struct rte_crypto_vdev_init_params *params,
- const char *input_args)
-{
- struct rte_kvargs *kvlist = NULL;
- int ret = 0;
-
- if (params == NULL)
- return -EINVAL;
-
- if (input_args) {
- kvlist = rte_kvargs_parse(input_args,
- cryptodev_vdev_valid_params);
- if (kvlist == NULL)
- return -1;
-
- ret = rte_kvargs_process(kvlist,
- RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
- &parse_integer_arg,
- &params->max_nb_queue_pairs);
- if (ret < 0)
- goto free_kvlist;
-
- ret = rte_kvargs_process(kvlist,
- RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
- &parse_integer_arg,
- &params->max_nb_sessions);
- if (ret < 0)
- goto free_kvlist;
-
- ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_SOCKET_ID,
- &parse_integer_arg,
- &params->socket_id);
- if (ret < 0)
- goto free_kvlist;
-
- ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_NAME,
- &parse_name_arg,
- params);
- if (ret < 0)
- goto free_kvlist;
-
- if (params->socket_id >= number_of_sockets()) {
- CDEV_LOG_ERR("Invalid socket id specified to create "
- "the virtual crypto device on");
- goto free_kvlist;
- }
- }
-
-free_kvlist:
- rte_kvargs_free(kvlist);
- return ret;
-}
-
const struct rte_cryptodev_symmetric_capability *
rte_cryptodev_sym_capability_get(uint8_t dev_id,
const struct rte_cryptodev_sym_capability_idx *idx)
@@ -363,6 +280,10 @@ rte_cryptodev_sym_capability_get(uint8_t dev_id,
if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
capability->sym.cipher.algo == idx->algo.cipher)
return &capability->sym;
+
+ if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
+ capability->sym.aead.algo == idx->algo.aead)
+ return &capability->sym;
}
return NULL;
@@ -390,7 +311,7 @@ rte_cryptodev_sym_capability_check_cipher(
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 key_size, uint16_t digest_size, uint16_t iv_size)
{
if (param_range_check(key_size, capability->auth.key_size))
return -1;
@@ -398,12 +319,32 @@ rte_cryptodev_sym_capability_check_auth(
if (param_range_check(digest_size, capability->auth.digest_size))
return -1;
- if (param_range_check(aad_size, capability->auth.aad_size))
+ if (param_range_check(iv_size, capability->auth.iv_size))
return -1;
return 0;
}
+int
+rte_cryptodev_sym_capability_check_aead(
+ const struct rte_cryptodev_symmetric_capability *capability,
+ uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
+ uint16_t iv_size)
+{
+ if (param_range_check(key_size, capability->aead.key_size))
+ return -1;
+
+ if (param_range_check(digest_size, capability->aead.digest_size))
+ return -1;
+
+ if (param_range_check(aad_size, capability->aead.aad_size))
+ return -1;
+
+ if (param_range_check(iv_size, capability->aead.iv_size))
+ return -1;
+
+ return 0;
+}
const char *
rte_cryptodev_get_feature_name(uint64_t flag)
@@ -509,12 +450,12 @@ rte_cryptodev_count(void)
}
uint8_t
-rte_cryptodev_count_devtype(enum rte_cryptodev_type type)
+rte_cryptodev_device_count_by_driver(uint8_t driver_id)
{
uint8_t i, dev_count = 0;
for (i = 0; i < rte_cryptodev_globals->max_devs; i++)
- if (rte_cryptodev_globals->devs[i].dev_type == type &&
+ if (rte_cryptodev_globals->devs[i].driver_id == driver_id &&
rte_cryptodev_globals->devs[i].attached ==
RTE_CRYPTODEV_ATTACHED)
dev_count++;
@@ -523,7 +464,7 @@ rte_cryptodev_count_devtype(enum rte_cryptodev_type type)
}
uint8_t
-rte_cryptodev_devices_get(const char *dev_name, uint8_t *devices,
+rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
uint8_t nb_devices)
{
uint8_t i, count = 0;
@@ -533,15 +474,11 @@ rte_cryptodev_devices_get(const char *dev_name, uint8_t *devices,
for (i = 0; i < max_devs && count < nb_devices; i++) {
if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
- const struct rte_cryptodev_driver *drv = devs[i].driver;
int cmp;
- if (drv)
- cmp = strncmp(drv->pci_drv.driver.name,
- dev_name, strlen(dev_name));
- else
- cmp = strncmp(devs[i].data->name,
- dev_name, strlen(dev_name));
+ cmp = strncmp(devs[i].device->driver->name,
+ driver_name,
+ strlen(driver_name));
if (cmp == 0)
devices[count++] = devs[i].data->dev_id;
@@ -662,144 +599,15 @@ rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
if (cryptodev == NULL)
return -EINVAL;
- ret = rte_cryptodev_close(cryptodev->data->dev_id);
- if (ret < 0)
- return ret;
-
- cryptodev->attached = RTE_CRYPTODEV_DETACHED;
- cryptodev_globals.nb_devs--;
- return 0;
-}
-
-struct rte_cryptodev *
-rte_cryptodev_pmd_virtual_dev_init(const char *name, size_t dev_private_size,
- int socket_id)
-{
- struct rte_cryptodev *cryptodev;
-
- /* allocate device structure */
- cryptodev = rte_cryptodev_pmd_allocate(name, socket_id);
- if (cryptodev == NULL)
- return NULL;
-
- /* allocate private device structure */
- if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
- cryptodev->data->dev_private =
- rte_zmalloc_socket("cryptodev device private",
- dev_private_size,
- RTE_CACHE_LINE_SIZE,
- socket_id);
-
- if (cryptodev->data->dev_private == NULL)
- rte_panic("Cannot allocate memzone for private device"
- " data");
- }
-
- /* initialise user call-back tail queue */
- TAILQ_INIT(&(cryptodev->link_intr_cbs));
-
- return cryptodev;
-}
-
-int
-rte_cryptodev_pci_probe(struct rte_pci_driver *pci_drv,
- struct rte_pci_device *pci_dev)
-{
- struct rte_cryptodev_driver *cryptodrv;
- struct rte_cryptodev *cryptodev;
-
- char cryptodev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
-
- int retval;
-
- cryptodrv = (struct rte_cryptodev_driver *)pci_drv;
- if (cryptodrv == NULL)
- return -ENODEV;
-
- rte_pci_device_name(&pci_dev->addr, cryptodev_name,
- sizeof(cryptodev_name));
-
- cryptodev = rte_cryptodev_pmd_allocate(cryptodev_name, rte_socket_id());
- if (cryptodev == NULL)
- return -ENOMEM;
-
- if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
- cryptodev->data->dev_private =
- rte_zmalloc_socket(
- "cryptodev private structure",
- cryptodrv->dev_private_size,
- RTE_CACHE_LINE_SIZE,
- rte_socket_id());
-
- if (cryptodev->data->dev_private == NULL)
- rte_panic("Cannot allocate memzone for private "
- "device data");
+ /* Close device only if device operations have been set */
+ if (cryptodev->dev_ops) {
+ ret = rte_cryptodev_close(cryptodev->data->dev_id);
+ if (ret < 0)
+ return ret;
}
- cryptodev->device = &pci_dev->device;
- cryptodev->driver = cryptodrv;
-
- /* init user callbacks */
- TAILQ_INIT(&(cryptodev->link_intr_cbs));
-
- /* Invoke PMD device initialization function */
- retval = (*cryptodrv->cryptodev_init)(cryptodrv, cryptodev);
- if (retval == 0)
- return 0;
-
- CDEV_LOG_ERR("driver %s: crypto_dev_init(vendor_id=0x%x device_id=0x%x)"
- " failed", pci_drv->driver.name,
- (unsigned) pci_dev->id.vendor_id,
- (unsigned) pci_dev->id.device_id);
-
- if (rte_eal_process_type() == RTE_PROC_PRIMARY)
- rte_free(cryptodev->data->dev_private);
-
cryptodev->attached = RTE_CRYPTODEV_DETACHED;
cryptodev_globals.nb_devs--;
-
- return -ENXIO;
-}
-
-int
-rte_cryptodev_pci_remove(struct rte_pci_device *pci_dev)
-{
- const struct rte_cryptodev_driver *cryptodrv;
- struct rte_cryptodev *cryptodev;
- char cryptodev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
- int ret;
-
- if (pci_dev == NULL)
- return -EINVAL;
-
- rte_pci_device_name(&pci_dev->addr, cryptodev_name,
- sizeof(cryptodev_name));
-
- cryptodev = rte_cryptodev_pmd_get_named_dev(cryptodev_name);
- if (cryptodev == NULL)
- return -ENODEV;
-
- cryptodrv = (const struct rte_cryptodev_driver *)pci_dev->driver;
- if (cryptodrv == NULL)
- return -ENODEV;
-
- /* Invoke PMD device uninit function */
- if (*cryptodrv->cryptodev_uninit) {
- ret = (*cryptodrv->cryptodev_uninit)(cryptodrv, cryptodev);
- if (ret)
- return ret;
- }
-
- /* free crypto device */
- rte_cryptodev_pmd_release_device(cryptodev);
-
- if (rte_eal_process_type() == RTE_PROC_PRIMARY)
- rte_free(cryptodev->data->dev_private);
-
- cryptodev->device = NULL;
- cryptodev->driver = NULL;
- cryptodev->data = NULL;
-
return 0;
}
@@ -934,10 +742,6 @@ rte_cryptodev_queue_pair_stop(uint8_t dev_id, uint16_t queue_pair_id)
}
-static int
-rte_cryptodev_sym_session_pool_create(struct rte_cryptodev *dev,
- unsigned nb_objs, unsigned obj_cache_size, int socket_id);
-
int
rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
{
@@ -968,14 +772,6 @@ rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
return diag;
}
- /* Setup Session mempool for device */
- diag = rte_cryptodev_sym_session_pool_create(dev,
- config->session_mp.nb_objs,
- config->session_mp.cache_size,
- config->socket_id);
- if (diag != 0)
- return diag;
-
return (*dev->dev_ops->dev_configure)(dev, config);
}
@@ -1032,8 +828,8 @@ rte_cryptodev_stop(uint8_t dev_id)
return;
}
- dev->data->dev_started = 0;
(*dev->dev_ops->dev_stop)(dev);
+ dev->data->dev_started = 0;
}
int
@@ -1078,7 +874,9 @@ rte_cryptodev_close(uint8_t dev_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;
@@ -1102,7 +900,7 @@ rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
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);
}
@@ -1163,9 +961,7 @@ rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
(*dev->dev_ops->dev_infos_get)(dev, dev_info);
- dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device);
- if (dev->driver)
- dev_info->driver_name = dev->driver->pci_drv.driver.name;
+ dev_info->driver_name = dev->device->driver->name;
}
@@ -1281,142 +1077,74 @@ rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
}
-static void
-rte_cryptodev_sym_session_init(struct rte_mempool *mp,
- void *opaque_arg,
- void *_sess,
- __rte_unused unsigned i)
-{
- struct rte_cryptodev_sym_session *sess = _sess;
- struct rte_cryptodev *dev = opaque_arg;
-
- memset(sess, 0, mp->elt_size);
-
- sess->dev_id = dev->data->dev_id;
- sess->dev_type = dev->dev_type;
- sess->mp = mp;
-
- if (dev->dev_ops->session_initialize)
- (*dev->dev_ops->session_initialize)(mp, sess);
-}
-
-static int
-rte_cryptodev_sym_session_pool_create(struct rte_cryptodev *dev,
- unsigned nb_objs, unsigned obj_cache_size, int socket_id)
+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)
{
- char mp_name[RTE_CRYPTODEV_NAME_MAX_LEN];
- unsigned priv_sess_size;
+ struct rte_cryptodev *dev;
+ uint8_t index;
+ int ret;
- unsigned n = snprintf(mp_name, sizeof(mp_name), "cdev_%d_sess_mp",
- dev->data->dev_id);
- if (n > sizeof(mp_name)) {
- CDEV_LOG_ERR("Unable to create unique name for session mempool");
- return -ENOMEM;
- }
+ dev = rte_cryptodev_pmd_get_dev(dev_id);
- RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_get_size, -ENOTSUP);
- priv_sess_size = (*dev->dev_ops->session_get_size)(dev);
- if (priv_sess_size == 0) {
- CDEV_LOG_ERR("%s returned and invalid private session size ",
- dev->data->name);
- return -ENOMEM;
- }
+ if (sess == NULL || xforms == NULL || dev == NULL)
+ return -EINVAL;
- unsigned elt_size = sizeof(struct rte_cryptodev_sym_session) +
- priv_sess_size;
+ index = dev->driver_id;
- dev->data->session_pool = rte_mempool_lookup(mp_name);
- if (dev->data->session_pool != NULL) {
- if ((dev->data->session_pool->elt_size != elt_size) ||
- (dev->data->session_pool->cache_size <
- obj_cache_size) ||
- (dev->data->session_pool->size < nb_objs)) {
-
- CDEV_LOG_ERR("%s mempool already exists with different"
- " initialization parameters", mp_name);
- dev->data->session_pool = NULL;
- return -ENOMEM;
- }
- } else {
- dev->data->session_pool = rte_mempool_create(
- mp_name, /* mempool name */
- nb_objs, /* number of elements*/
- elt_size, /* element size*/
- obj_cache_size, /* Cache size*/
- 0, /* private data size */
- NULL, /* obj initialization constructor */
- NULL, /* obj initialization constructor arg */
- rte_cryptodev_sym_session_init,
- /**< obj constructor*/
- dev, /* obj constructor arg */
- socket_id, /* socket id */
- 0); /* flags */
-
- if (dev->data->session_pool == NULL) {
- CDEV_LOG_ERR("%s mempool allocation failed", mp_name);
- return -ENOMEM;
+ 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;
}
}
- CDEV_LOG_DEBUG("%s mempool created!", mp_name);
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_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;
}
int
-rte_cryptodev_queue_pair_attach_sym_session(uint16_t qp_id,
+rte_cryptodev_queue_pair_attach_sym_session(uint8_t dev_id, uint16_t qp_id,
struct rte_cryptodev_sym_session *sess)
{
struct rte_cryptodev *dev;
- if (!rte_cryptodev_pmd_is_valid_dev(sess->dev_id)) {
- CDEV_LOG_ERR("Invalid dev_id=%d", sess->dev_id);
+ if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
+ CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
return -EINVAL;
}
- dev = &rte_crypto_devices[sess->dev_id];
+ dev = &rte_crypto_devices[dev_id];
/* 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",
- sess->dev_id, qp_id);
+ dev_id, qp_id);
return -EPERM;
}
@@ -1424,53 +1152,109 @@ rte_cryptodev_queue_pair_attach_sym_session(uint16_t qp_id,
}
int
-rte_cryptodev_queue_pair_detach_sym_session(uint16_t qp_id,
+rte_cryptodev_queue_pair_detach_sym_session(uint8_t dev_id, uint16_t qp_id,
struct rte_cryptodev_sym_session *sess)
{
struct rte_cryptodev *dev;
- if (!rte_cryptodev_pmd_is_valid_dev(sess->dev_id)) {
- CDEV_LOG_ERR("Invalid dev_id=%d", sess->dev_id);
+ if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
+ CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
return -EINVAL;
}
- dev = &rte_crypto_devices[sess->dev_id];
+ dev = &rte_crypto_devices[dev_id];
/* 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",
- sess->dev_id, qp_id);
+ 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->dev_type != dev->dev_type)
- 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 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))
+ return 0;
+
+ dev = rte_cryptodev_pmd_get_dev(dev_id);
+
+ if (*dev->dev_ops->session_get_size == NULL)
+ return 0;
+
+ 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;
- return NULL;
}
/** Initialise rte_crypto_op mempool element */
@@ -1572,3 +1356,58 @@ rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
return -1;
}
+
+TAILQ_HEAD(cryptodev_driver_list, cryptodev_driver);
+
+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;
+};
+
+int
+rte_cryptodev_driver_id_get(const char *name)
+{
+ struct cryptodev_driver *driver;
+ const char *driver_name;
+
+ if (name == NULL) {
+ RTE_LOG(DEBUG, CRYPTODEV, "name pointer NULL");
+ return -1;
+ }
+
+ TAILQ_FOREACH(driver, &cryptodev_driver_list, next) {
+ driver_name = driver->driver->name;
+ if (strncmp(driver_name, name, strlen(driver_name)) == 0)
+ return driver->id;
+ }
+ return -1;
+}
+
+const char *
+rte_cryptodev_driver_name_get(uint8_t driver_id)
+{
+ struct cryptodev_driver *driver;
+
+ TAILQ_FOREACH(driver, &cryptodev_driver_list, next)
+ if (driver->id == driver_id)
+ return driver->driver->name;
+ return NULL;
+}
+
+uint8_t
+rte_cryptodev_allocate_driver(const struct rte_driver *drv)
+{
+ struct cryptodev_driver *driver;
+
+ driver = malloc(sizeof(*driver));
+ driver->driver = drv;
+ driver->id = nb_drivers;
+
+ TAILQ_INSERT_TAIL(&cryptodev_driver_list, driver, next);
+
+ return nb_drivers++;
+}