/*-
* BSD LICENSE
*
- * Copyright(c) 2015-2016 Intel Corporation. All rights reserved.
+ * Copyright(c) 2015-2017 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
#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>
uint32_t active; /**< Callback is executing */
};
-#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")
+/**
+ * The crypto cipher algorithm strings identifiers.
+ * It could be used in application command line.
+ */
+const char *
+rte_crypto_cipher_algorithm_strings[] = {
+ [RTE_CRYPTO_CIPHER_3DES_CBC] = "3des-cbc",
+ [RTE_CRYPTO_CIPHER_3DES_ECB] = "3des-ecb",
+ [RTE_CRYPTO_CIPHER_3DES_CTR] = "3des-ctr",
+
+ [RTE_CRYPTO_CIPHER_AES_CBC] = "aes-cbc",
+ [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_F8] = "aes-f8",
+ [RTE_CRYPTO_CIPHER_AES_XTS] = "aes-xts",
-static const char *cryptodev_vdev_valid_params[] = {
- RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
- RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
- RTE_CRYPTODEV_VDEV_SOCKET_ID
+ [RTE_CRYPTO_CIPHER_ARC4] = "arc4",
+
+ [RTE_CRYPTO_CIPHER_DES_CBC] = "des-cbc",
+ [RTE_CRYPTO_CIPHER_DES_DOCSISBPI] = "des-docsisbpi",
+
+ [RTE_CRYPTO_CIPHER_NULL] = "null",
+
+ [RTE_CRYPTO_CIPHER_KASUMI_F8] = "kasumi-f8",
+ [RTE_CRYPTO_CIPHER_SNOW3G_UEA2] = "snow3g-uea2",
+ [RTE_CRYPTO_CIPHER_ZUC_EEA3] = "zuc-eea3"
};
-static uint8_t
-number_of_sockets(void)
+/**
+ * The crypto cipher operation strings identifiers.
+ * It could be used in application command line.
+ */
+const char *
+rte_crypto_cipher_operation_strings[] = {
+ [RTE_CRYPTO_CIPHER_OP_ENCRYPT] = "encrypt",
+ [RTE_CRYPTO_CIPHER_OP_DECRYPT] = "decrypt"
+};
+
+/**
+ * The crypto auth algorithm strings identifiers.
+ * It could be used in application command line.
+ */
+const char *
+rte_crypto_auth_algorithm_strings[] = {
+ [RTE_CRYPTO_AUTH_AES_CBC_MAC] = "aes-cbc-mac",
+ [RTE_CRYPTO_AUTH_AES_CMAC] = "aes-cmac",
+ [RTE_CRYPTO_AUTH_AES_GMAC] = "aes-gmac",
+ [RTE_CRYPTO_AUTH_AES_XCBC_MAC] = "aes-xcbc-mac",
+
+ [RTE_CRYPTO_AUTH_MD5] = "md5",
+ [RTE_CRYPTO_AUTH_MD5_HMAC] = "md5-hmac",
+
+ [RTE_CRYPTO_AUTH_NULL] = "null",
+
+ [RTE_CRYPTO_AUTH_SHA1] = "sha1",
+ [RTE_CRYPTO_AUTH_SHA1_HMAC] = "sha1-hmac",
+
+ [RTE_CRYPTO_AUTH_SHA224] = "sha2-224",
+ [RTE_CRYPTO_AUTH_SHA224_HMAC] = "sha2-224-hmac",
+ [RTE_CRYPTO_AUTH_SHA256] = "sha2-256",
+ [RTE_CRYPTO_AUTH_SHA256_HMAC] = "sha2-256-hmac",
+ [RTE_CRYPTO_AUTH_SHA384] = "sha2-384",
+ [RTE_CRYPTO_AUTH_SHA384_HMAC] = "sha2-384-hmac",
+ [RTE_CRYPTO_AUTH_SHA512] = "sha2-512",
+ [RTE_CRYPTO_AUTH_SHA512_HMAC] = "sha2-512-hmac",
+
+ [RTE_CRYPTO_AUTH_KASUMI_F9] = "kasumi-f9",
+ [RTE_CRYPTO_AUTH_SNOW3G_UIA2] = "snow3g-uia2",
+ [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)
{
- int sockets = 0;
- int i;
- const struct rte_memseg *ms = rte_eal_get_physmem_layout();
+ unsigned int i;
- for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
- if (sockets < ms[i].socket_id)
- sockets = ms[i].socket_id;
+ for (i = 1; i < RTE_DIM(rte_crypto_cipher_algorithm_strings); i++) {
+ if (strcmp(algo_string, rte_crypto_cipher_algorithm_strings[i]) == 0) {
+ *algo_enum = (enum rte_crypto_cipher_algorithm) i;
+ return 0;
+ }
}
- /* Number of sockets = maximum socket_id + 1 */
- return ++sockets;
+ /* Invalid string */
+ return -1;
}
-/** Parse integer from integer argument */
-static int
-parse_integer_arg(const char *key __rte_unused,
- const char *value, void *extra_args)
+int
+rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
+ const char *algo_string)
{
- int *i = (int *) extra_args;
+ unsigned int i;
- *i = atoi(value);
- if (*i < 0) {
- CDEV_LOG_ERR("Argument has to be positive.");
- return -1;
+ for (i = 1; i < RTE_DIM(rte_crypto_auth_algorithm_strings); i++) {
+ if (strcmp(algo_string, rte_crypto_auth_algorithm_strings[i]) == 0) {
+ *algo_enum = (enum rte_crypto_auth_algorithm) i;
+ return 0;
+ }
}
- return 0;
+ /* Invalid string */
+ return -1;
}
int
-rte_cryptodev_parse_vdev_init_params(struct rte_crypto_vdev_init_params *params,
- const char *input_args)
+rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
+ const char *algo_string)
{
- struct rte_kvargs *kvlist = NULL;
- int ret = 0;
+ unsigned int i;
- if (params == NULL)
- return -EINVAL;
+ 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;
+ }
+ }
- if (input_args) {
- kvlist = rte_kvargs_parse(input_args,
- cryptodev_vdev_valid_params);
- if (kvlist == NULL)
- return -1;
+ /* Invalid string */
+ return -1;
+}
- ret = rte_kvargs_process(kvlist,
- RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
- &parse_integer_arg,
- ¶ms->max_nb_queue_pairs);
- if (ret < 0)
- goto free_kvlist;
+/**
+ * The crypto auth operation strings identifiers.
+ * It could be used in application command line.
+ */
+const char *
+rte_crypto_auth_operation_strings[] = {
+ [RTE_CRYPTO_AUTH_OP_VERIFY] = "verify",
+ [RTE_CRYPTO_AUTH_OP_GENERATE] = "generate"
+};
- ret = rte_kvargs_process(kvlist,
- RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
- &parse_integer_arg,
- ¶ms->max_nb_sessions);
- if (ret < 0)
- goto free_kvlist;
+const struct rte_cryptodev_symmetric_capability *
+rte_cryptodev_sym_capability_get(uint8_t dev_id,
+ const struct rte_cryptodev_sym_capability_idx *idx)
+{
+ const struct rte_cryptodev_capabilities *capability;
+ struct rte_cryptodev_info dev_info;
+ int i = 0;
- ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_SOCKET_ID,
- &parse_integer_arg,
- ¶ms->socket_id);
- if (ret < 0)
- goto free_kvlist;
+ rte_cryptodev_info_get(dev_id, &dev_info);
- if (params->socket_id >= number_of_sockets()) {
- CDEV_LOG_ERR("Invalid socket id specified to create "
- "the virtual crypto device on");
- goto free_kvlist;
- }
+ while ((capability = &dev_info.capabilities[i++])->op !=
+ RTE_CRYPTO_OP_TYPE_UNDEFINED) {
+ if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
+ continue;
+
+ if (capability->sym.xform_type != idx->type)
+ continue;
+
+ if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
+ capability->sym.auth.algo == idx->algo.auth)
+ return &capability->sym;
+
+ 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;
}
-free_kvlist:
- rte_kvargs_free(kvlist);
- return ret;
+ return NULL;
+
+}
+
+#define param_range_check(x, y) \
+ (((x < y.min) || (x > y.max)) || \
+ (y.increment != 0 && (x % y.increment) != 0))
+
+int
+rte_cryptodev_sym_capability_check_cipher(
+ const struct rte_cryptodev_symmetric_capability *capability,
+ uint16_t key_size, uint16_t iv_size)
+{
+ if (param_range_check(key_size, capability->cipher.key_size))
+ return -1;
+
+ if (param_range_check(iv_size, capability->cipher.iv_size))
+ return -1;
+
+ return 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)
+{
+ 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;
+
+ 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 *
return "CPU_AESNI";
case RTE_CRYPTODEV_FF_HW_ACCELERATED:
return "HW_ACCELERATED";
-
+ case RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER:
+ return "MBUF_SCATTER_GATHER";
+ case RTE_CRYPTODEV_FF_CPU_NEON:
+ return "CPU_NEON";
+ case RTE_CRYPTODEV_FF_CPU_ARM_CE:
+ return "CPU_ARM_CE";
default:
return NULL;
}
}
-
int
rte_cryptodev_create_vdev(const char *name, const char *args)
{
- return rte_eal_vdev_init(name, args);
+ return rte_vdev_init(name, args);
+}
+
+struct rte_cryptodev *
+rte_cryptodev_pmd_get_dev(uint8_t dev_id)
+{
+ return &rte_cryptodev_globals->devs[dev_id];
}
+struct rte_cryptodev *
+rte_cryptodev_pmd_get_named_dev(const char *name)
+{
+ struct rte_cryptodev *dev;
+ unsigned int i;
+
+ if (name == NULL)
+ return NULL;
+
+ for (i = 0; i < rte_cryptodev_globals->max_devs; i++) {
+ dev = &rte_cryptodev_globals->devs[i];
+
+ if ((dev->attached == RTE_CRYPTODEV_ATTACHED) &&
+ (strcmp(dev->data->name, name) == 0))
+ return dev;
+ }
+
+ return NULL;
+}
+
+unsigned int
+rte_cryptodev_pmd_is_valid_dev(uint8_t dev_id)
+{
+ struct rte_cryptodev *dev = NULL;
+
+ if (dev_id >= rte_cryptodev_globals->nb_devs)
+ return 0;
+
+ dev = rte_cryptodev_pmd_get_dev(dev_id);
+ if (dev->attached != RTE_CRYPTODEV_ATTACHED)
+ return 0;
+ else
+ return 1;
+}
+
+
int
-rte_cryptodev_get_dev_id(const char *name) {
+rte_cryptodev_get_dev_id(const char *name)
+{
unsigned i;
if (name == NULL)
return -1;
- for (i = 0; i < rte_cryptodev_globals->max_devs; i++)
+ for (i = 0; i < rte_cryptodev_globals->nb_devs; i++)
if ((strcmp(rte_cryptodev_globals->devs[i].data->name, name)
== 0) &&
(rte_cryptodev_globals->devs[i].attached ==
return dev_count;
}
+uint8_t
+rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
+ uint8_t nb_devices)
+{
+ uint8_t i, count = 0;
+ struct rte_cryptodev *devs = rte_cryptodev_globals->devs;
+ uint8_t max_devs = rte_cryptodev_globals->max_devs;
+
+ for (i = 0; i < max_devs && count < nb_devices; i++) {
+
+ if (devs[i].attached == RTE_CRYPTODEV_ATTACHED) {
+ int cmp;
+
+ cmp = strncmp(devs[i].device->driver->name,
+ driver_name,
+ strlen(driver_name));
+
+ if (cmp == 0)
+ devices[count++] = devs[i].data->dev_id;
+ }
+ }
+
+ return count;
+}
+
int
rte_cryptodev_socket_id(uint8_t dev_id)
{
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_eal_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->pci_dev = pci_dev;
- 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_eal_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->pci_dev = NULL;
- cryptodev->driver = NULL;
- cryptodev->data = NULL;
-
return 0;
}
return -EBUSY;
}
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
+
/* Setup new number of queue pairs and reconfigure device. */
diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
config->socket_id);
}
/* Setup Session mempool for device */
- return rte_cryptodev_sym_session_pool_create(dev,
+ 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);
}
return;
}
- dev->data->dev_started = 0;
(*dev->dev_ops->dev_stop)(dev);
+ dev->data->dev_started = 0;
}
int
RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
(*dev->dev_ops->dev_infos_get)(dev, dev_info);
- dev_info->pci_dev = dev->pci_dev;
- if (dev->driver)
- dev_info->driver_name = dev->driver->pci_drv.driver.name;
+ dev_info->driver_name = dev->device->driver->name;
}
return NULL;
}
- sess = (struct rte_cryptodev_sym_session *)_sess;
+ sess = _sess;
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_configure, NULL);
if (dev->dev_ops->session_configure(dev, xform, sess->_private) ==
return sess;
}
+int
+rte_cryptodev_queue_pair_attach_sym_session(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);
+ return -EINVAL;
+ }
+
+ dev = &rte_crypto_devices[sess->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)) {
+ CDEV_LOG_ERR("dev_id %d failed to attach qp: %d with session",
+ sess->dev_id, qp_id);
+ return -EPERM;
+ }
+
+ return 0;
+}
+
+int
+rte_cryptodev_queue_pair_detach_sym_session(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);
+ return -EINVAL;
+ }
+
+ dev = &rte_crypto_devices[sess->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)) {
+ CDEV_LOG_ERR("dev_id %d failed to detach qp: %d from session",
+ sess->dev_id, qp_id);
+ return -EPERM;
+ }
+
+ return 0;
+}
struct rte_cryptodev_sym_session *
rte_cryptodev_sym_session_free(uint8_t dev_id,
struct rte_cryptodev_sym_session *sess)
return mp;
}
+
+int
+rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix)
+{
+ struct rte_cryptodev *dev = NULL;
+ uint32_t i = 0;
+
+ if (name == NULL)
+ return -EINVAL;
+
+ for (i = 0; i < RTE_CRYPTO_MAX_DEVS; i++) {
+ int ret = snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN,
+ "%s_%u", dev_name_prefix, i);
+
+ if (ret < 0)
+ return ret;
+
+ dev = rte_cryptodev_pmd_get_named_dev(name);
+ if (!dev)
+ return 0;
+ }
+
+ return -1;
+}
git.droids-corp.org / dpdk.git / blobdiff