ring: return remaining entry count when dequeuing
[dpdk.git] / drivers / crypto / aesni_mb / rte_aesni_mb_pmd.c
index 25f681b..05edb6c 100644 (file)
 
 #include "rte_aesni_mb_pmd_private.h"
 
-/**
- * Global static parameter used to create a unique name for each AES-NI multi
- * buffer crypto device.
- */
-static unsigned unique_name_id;
-
-static inline int
-create_unique_device_name(char *name, size_t size)
-{
-       int ret;
-
-       if (name == NULL)
-               return -EINVAL;
-
-       ret = snprintf(name, size, "%s_%u", RTE_STR(CRYPTODEV_NAME_AESNI_MB_PMD),
-                       unique_name_id++);
-       if (ret < 0)
-               return ret;
-       return 0;
-}
-
 typedef void (*hash_one_block_t)(void *data, void *digest);
 typedef void (*aes_keyexp_t)(void *key, void *enc_exp_keys, void *dec_exp_keys);
 
@@ -643,7 +622,7 @@ aesni_mb_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
        unsigned nb_dequeued;
 
        nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
-                       (void **)ops, nb_ops);
+                       (void **)ops, nb_ops, NULL);
        qp->stats.dequeued_count += nb_dequeued;
 
        return nb_dequeued;
@@ -653,18 +632,21 @@ aesni_mb_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
 static int cryptodev_aesni_mb_remove(const char *name);
 
 static int
-cryptodev_aesni_mb_create(const char *name,
-               struct rte_crypto_vdev_init_params *init_params)
+cryptodev_aesni_mb_create(struct rte_crypto_vdev_init_params *init_params)
 {
        struct rte_cryptodev *dev;
-       char crypto_dev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
        struct aesni_mb_private *internals;
        enum aesni_mb_vector_mode vector_mode;
 
-       /* Check CPU for support for AES instruction set */
-       if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_AES)) {
-               MB_LOG_ERR("AES instructions not supported by CPU");
-               return -EFAULT;
+       if (init_params->name[0] == '\0') {
+               int ret = rte_cryptodev_pmd_create_dev_name(
+                               init_params->name,
+                               RTE_STR(CRYPTODEV_NAME_AESNI_MB_PMD));
+
+               if (ret < 0) {
+                       MB_LOG_ERR("failed to create unique name");
+                       return ret;
+               }
        }
 
        /* Check CPU for supported vector instruction set */
@@ -681,15 +663,7 @@ cryptodev_aesni_mb_create(const char *name,
                return -EFAULT;
        }
 
-       /* create a unique device name */
-       if (create_unique_device_name(crypto_dev_name,
-                       RTE_CRYPTODEV_NAME_MAX_LEN) != 0) {
-               MB_LOG_ERR("failed to create unique cryptodev name");
-               return -EINVAL;
-       }
-
-
-       dev = rte_cryptodev_pmd_virtual_dev_init(crypto_dev_name,
+       dev = rte_cryptodev_pmd_virtual_dev_init(init_params->name,
                        sizeof(struct aesni_mb_private), init_params->socket_id);
        if (dev == NULL) {
                MB_LOG_ERR("failed to create cryptodev vdev");
@@ -733,9 +707,10 @@ cryptodev_aesni_mb_create(const char *name,
 
        return 0;
 init_error:
-       MB_LOG_ERR("driver %s: cryptodev_aesni_create failed", name);
+       MB_LOG_ERR("driver %s: cryptodev_aesni_create failed",
+                       init_params->name);
 
-       cryptodev_aesni_mb_remove(crypto_dev_name);
+       cryptodev_aesni_mb_remove(init_params->name);
        return -EFAULT;
 }
 
@@ -747,19 +722,23 @@ cryptodev_aesni_mb_probe(const char *name,
        struct rte_crypto_vdev_init_params init_params = {
                RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
                RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
-               rte_socket_id()
+               rte_socket_id(),
+               ""
        };
 
        rte_cryptodev_parse_vdev_init_params(&init_params, input_args);
 
        RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
                        init_params.socket_id);
+       if (init_params.name[0] != '\0')
+               RTE_LOG(INFO, PMD, "  User defined name = %s\n",
+                       init_params.name);
        RTE_LOG(INFO, PMD, "  Max number of queue pairs = %d\n",
                        init_params.max_nb_queue_pairs);
        RTE_LOG(INFO, PMD, "  Max number of sessions = %d\n",
                        init_params.max_nb_sessions);
 
-       return cryptodev_aesni_mb_create(name, &init_params);
+       return cryptodev_aesni_mb_create(&init_params);
 }
 
 static int