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cryptodev: allocate max space for internal queue array

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At queue_pair config stage, allocate memory for maximum
number of queue pair pointers that a device can support.

This will allow fast path APIs(enqueue_burst/dequeue_burst) to
refer pointer to internal QP data without checking for currently
configured QPs.
This is required to hide the rte_cryptodev and rte_cryptodev_data
structure from user.

Signed-off-by: Akhil Goyal <gakhil@marvell.com>
Acked-by: Fan Zhang <roy.fan.zhang@intel.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
This commit is contained in:
Akhil Goyal 2021-10-20 16:57:48 +05:30
parent 691e1f4d56
commit 7f3876ad54
1 changed files with 3 additions and 18 deletions
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21
lib/cryptodev/rte_cryptodev.c
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@ -978,7 +978,8 @@ rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
if (dev->data->queue_pairs == NULL) { /* first time configuration */
dev->data->queue_pairs = rte_zmalloc_socket(
"cryptodev->queue_pairs",
sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
sizeof(dev->data->queue_pairs[0]) *
dev_info.max_nb_queue_pairs,
RTE_CACHE_LINE_SIZE, socket_id);
if (dev->data->queue_pairs == NULL) {
@ -1001,25 +1002,9 @@ rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
ret = (*dev->dev_ops->queue_pair_release)(dev, i);
if (ret < 0)
return ret;
qp[i] = NULL;
}
qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
RTE_CACHE_LINE_SIZE);
if (qp == NULL) {
CDEV_LOG_ERR("failed to realloc qp meta data,"
" nb_queues %u", nb_qpairs);
return -(ENOMEM);
}
if (nb_qpairs > old_nb_queues) {
uint16_t new_qs = nb_qpairs - old_nb_queues;
memset(qp + old_nb_queues, 0,
sizeof(qp[0]) * new_qs);
}
dev->data->queue_pairs = qp;
}
dev->data->nb_queue_pairs = nb_qpairs;
return 0;