crypto/virtio: support stats related ops

This patch implements the statistics of the packets.

Signed-off-by: Jay Zhou <jianjay.zhou@huawei.com>
Reviewed-by: Fan Zhang <roy.fan.zhang@intel.com>

diff --git a/drivers/crypto/virtio/virtio_cryptodev.c b/drivers/crypto/virtio/virtio_cryptodev.c
index 596a237..6f92e99 100644 (file)
--- a/drivers/crypto/virtio/virtio_cryptodev.c
+++ b/drivers/crypto/virtio/virtio_cryptodev.c
@@ -29,6 +29,9 @@ static void virtio_crypto_dev_stop(struct rte_cryptodev *dev);
 static int virtio_crypto_dev_close(struct rte_cryptodev *dev);
 static void virtio_crypto_dev_info_get(struct rte_cryptodev *dev,
                struct rte_cryptodev_info *dev_info);
+static void virtio_crypto_dev_stats_get(struct rte_cryptodev *dev,
+               struct rte_cryptodev_stats *stats);
+static void virtio_crypto_dev_stats_reset(struct rte_cryptodev *dev);
 static int virtio_crypto_qp_setup(struct rte_cryptodev *dev,
                uint16_t queue_pair_id,
                const struct rte_cryptodev_qp_conf *qp_conf,
@@ -501,8 +504,8 @@ static struct rte_cryptodev_ops virtio_crypto_dev_ops = {
        .dev_close                       = virtio_crypto_dev_close,
        .dev_infos_get                   = virtio_crypto_dev_info_get,
 
-       .stats_get                       = NULL,
-       .stats_reset                     = NULL,
+       .stats_get                       = virtio_crypto_dev_stats_get,
+       .stats_reset                     = virtio_crypto_dev_stats_reset,
 
        .queue_pair_setup                = virtio_crypto_qp_setup,
        .queue_pair_release              = virtio_crypto_qp_release,
@@ -518,6 +521,65 @@ static struct rte_cryptodev_ops virtio_crypto_dev_ops = {
        .qp_detach_session = NULL
 };
 
+static void
+virtio_crypto_update_stats(struct rte_cryptodev *dev,
+               struct rte_cryptodev_stats *stats)
+{
+       unsigned int i;
+       struct virtio_crypto_hw *hw = dev->data->dev_private;
+
+       PMD_INIT_FUNC_TRACE();
+
+       if (stats == NULL) {
+               VIRTIO_CRYPTO_DRV_LOG_ERR("invalid pointer");
+               return;
+       }
+
+       for (i = 0; i < hw->max_dataqueues; i++) {
+               const struct virtqueue *data_queue
+                       = dev->data->queue_pairs[i];
+               if (data_queue == NULL)
+                       continue;
+
+               stats->enqueued_count += data_queue->packets_sent_total;
+               stats->enqueue_err_count += data_queue->packets_sent_failed;
+
+               stats->dequeued_count += data_queue->packets_received_total;
+               stats->dequeue_err_count
+                       += data_queue->packets_received_failed;
+       }
+}
+
+static void
+virtio_crypto_dev_stats_get(struct rte_cryptodev *dev,
+               struct rte_cryptodev_stats *stats)
+{
+       PMD_INIT_FUNC_TRACE();
+
+       virtio_crypto_update_stats(dev, stats);
+}
+
+static void
+virtio_crypto_dev_stats_reset(struct rte_cryptodev *dev)
+{
+       unsigned int i;
+       struct virtio_crypto_hw *hw = dev->data->dev_private;
+
+       PMD_INIT_FUNC_TRACE();
+
+       for (i = 0; i < hw->max_dataqueues; i++) {
+               struct virtqueue *data_queue = dev->data->queue_pairs[i];
+               if (data_queue == NULL)
+                       continue;
+
+               data_queue->packets_sent_total = 0;
+               data_queue->packets_sent_failed = 0;
+
+               data_queue->packets_received_total = 0;
+               data_queue->packets_received_failed = 0;
+       }
+}
+
 static int
 virtio_crypto_qp_setup(struct rte_cryptodev *dev, uint16_t queue_pair_id,
                const struct rte_cryptodev_qp_conf *qp_conf,