Imported Upstream version 17.05

[deb_dpdk.git] / drivers / crypto / snow3g / rte_snow3g_pmd.c

diff --git a/drivers/crypto/snow3g/rte_snow3g_pmd.c b/drivers/crypto/snow3g/rte_snow3g_pmd.c
index 0081fec..960956c 100644 (file)
--- a/drivers/crypto/snow3g/rte_snow3g_pmd.c
+++ b/drivers/crypto/snow3g/rte_snow3g_pmd.c
@@ -46,27 +46,6 @@
 #define SNOW3G_MAX_BURST 8
 #define BYTE_LEN 8
 
-/**
- * Global static parameter used to create a unique name for each SNOW 3G
- * 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_SNOW3G_PMD),
-                       unique_name_id++);
-       if (ret < 0)
-               return ret;
-       return 0;
-}
-
 /** Get xform chain order. */
 static enum snow3g_operation
 snow3g_get_mode(const struct rte_crypto_sym_xform *xform)
@@ -330,6 +309,21 @@ process_ops(struct rte_crypto_op **ops, struct snow3g_session *session,
        unsigned i;
        unsigned enqueued_ops, processed_ops;
 
+#ifdef RTE_LIBRTE_PMD_SNOW3G_DEBUG
+       for (i = 0; i < num_ops; i++) {
+               if (!rte_pktmbuf_is_contiguous(ops[i]->sym->m_src) ||
+                               (ops[i]->sym->m_dst != NULL &&
+                               !rte_pktmbuf_is_contiguous(
+                                               ops[i]->sym->m_dst))) {
+                       SNOW3G_LOG_ERR("PMD supports only contiguous mbufs, "
+                               "op (%p) provides noncontiguous mbuf as "
+                               "source/destination buffer.\n", ops[i]);
+                       ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+                       return 0;
+               }
+       }
+#endif
+
        switch (session->op) {
        case SNOW3G_OP_ONLY_CIPHER:
                processed_ops = process_snow3g_cipher_op(ops,
@@ -369,7 +363,7 @@ process_ops(struct rte_crypto_op **ops, struct snow3g_session *session,
        }
 
        enqueued_ops = rte_ring_enqueue_burst(qp->processed_ops,
-                       (void **)ops, processed_ops);
+                       (void **)ops, processed_ops, NULL);
        qp->qp_stats.enqueued_count += enqueued_ops;
        *accumulated_enqueued_ops += enqueued_ops;
 
@@ -420,7 +414,7 @@ process_op_bit(struct rte_crypto_op *op, struct snow3g_session *session,
        }
 
        enqueued_op = rte_ring_enqueue_burst(qp->processed_ops,
-                       (void **)&op, processed_op);
+                       (void **)&op, processed_op, NULL);
        qp->qp_stats.enqueued_count += enqueued_op;
        *accumulated_enqueued_ops += enqueued_op;
 
@@ -539,23 +533,27 @@ snow3g_pmd_dequeue_burst(void *queue_pair,
        unsigned nb_dequeued;
 
        nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
-                       (void **)c_ops, nb_ops);
+                       (void **)c_ops, nb_ops, NULL);
        qp->qp_stats.dequeued_count += nb_dequeued;
 
        return nb_dequeued;
 }
 
-static int cryptodev_snow3g_remove(const char *name);
+static int cryptodev_snow3g_remove(struct rte_vdev_device *vdev);
 
 static int
 cryptodev_snow3g_create(const char *name,
-               struct rte_crypto_vdev_init_params *init_params)
+                       struct rte_vdev_device *vdev,
+                       struct rte_crypto_vdev_init_params *init_params)
 {
        struct rte_cryptodev *dev;
-       char crypto_dev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
        struct snow3g_private *internals;
        uint64_t cpu_flags = 0;
 
+       if (init_params->name[0] == '\0')
+               snprintf(init_params->name, sizeof(init_params->name),
+                               "%s", name);
+
        /* Check CPU for supported vector instruction set */
        if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1))
                cpu_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
@@ -564,15 +562,7 @@ cryptodev_snow3g_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) {
-               SNOW3G_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 snow3g_private), init_params->socket_id);
        if (dev == NULL) {
                SNOW3G_LOG_ERR("failed to create cryptodev vdev");
@@ -597,37 +587,51 @@ cryptodev_snow3g_create(const char *name,
 
        return 0;
 init_error:
-       SNOW3G_LOG_ERR("driver %s: cryptodev_snow3g_create failed", name);
+       SNOW3G_LOG_ERR("driver %s: cryptodev_snow3g_create failed",
+                       init_params->name);
 
-       cryptodev_snow3g_remove(crypto_dev_name);
+       cryptodev_snow3g_remove(vdev);
        return -EFAULT;
 }
 
 static int
-cryptodev_snow3g_probe(const char *name,
-               const char *input_args)
+cryptodev_snow3g_probe(struct rte_vdev_device *vdev)
 {
        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(),
+               {0}
        };
+       const char *name;
+       const char *input_args;
+
+       name = rte_vdev_device_name(vdev);
+       if (name == NULL)
+               return -EINVAL;
+       input_args = rte_vdev_device_args(vdev);
 
        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_snow3g_create(name, &init_params);
+       return cryptodev_snow3g_create(name, vdev, &init_params);
 }
 
 static int
-cryptodev_snow3g_remove(const char *name)
+cryptodev_snow3g_remove(struct rte_vdev_device *vdev)
 {
+       const char *name;
+
+       name = rte_vdev_device_name(vdev);
        if (name == NULL)
                return -EINVAL;