return rxq == NULL ? NULL : &rxq->ctrl->rxq;
}
+/**
+ * Increase an external Rx queue reference count.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ * @param idx
+ * External RX queue index.
+ *
+ * @return
+ * A pointer to the queue if it exists, NULL otherwise.
+ */
+struct mlx5_external_rxq *
+mlx5_ext_rxq_ref(struct rte_eth_dev *dev, uint16_t idx)
+{
+ struct mlx5_external_rxq *rxq = mlx5_ext_rxq_get(dev, idx);
+
+ __atomic_fetch_add(&rxq->refcnt, 1, __ATOMIC_RELAXED);
+ return rxq;
+}
+
+/**
+ * Decrease an external Rx queue reference count.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ * @param idx
+ * External RX queue index.
+ *
+ * @return
+ * Updated reference count.
+ */
+uint32_t
+mlx5_ext_rxq_deref(struct rte_eth_dev *dev, uint16_t idx)
+{
+ struct mlx5_external_rxq *rxq = mlx5_ext_rxq_get(dev, idx);
+
+ return __atomic_sub_fetch(&rxq->refcnt, 1, __ATOMIC_RELAXED);
+}
+
+/**
+ * Get an external Rx queue.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ * @param idx
+ * External Rx queue index.
+ *
+ * @return
+ * A pointer to the queue if it exists, NULL otherwise.
+ */
+struct mlx5_external_rxq *
+mlx5_ext_rxq_get(struct rte_eth_dev *dev, uint16_t idx)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+
+ MLX5_ASSERT(mlx5_is_external_rxq(dev, idx));
+ return &priv->ext_rxqs[idx - MLX5_EXTERNAL_RX_QUEUE_ID_MIN];
+}
+
/**
* Release a Rx queue.
*
return ret;
}
+/**
+ * Verify the external Rx Queue list is empty.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ *
+ * @return
+ * The number of object not released.
+ */
+int
+mlx5_ext_rxq_verify(struct rte_eth_dev *dev)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_external_rxq *rxq;
+ uint32_t i;
+ int ret = 0;
+
+ if (priv->ext_rxqs == NULL)
+ return 0;
+
+ for (i = MLX5_EXTERNAL_RX_QUEUE_ID_MIN; i <= UINT16_MAX ; ++i) {
+ rxq = mlx5_ext_rxq_get(dev, i);
+ if (rxq->refcnt < 2)
+ continue;
+ DRV_LOG(DEBUG, "Port %u external RxQ %u still referenced.",
+ dev->data->port_id, i);
+ ++ret;
+ }
+ return ret;
+}
+
/**
* Check whether RxQ type is Hairpin.
*
mlx5_rxq_is_hairpin(struct rte_eth_dev *dev, uint16_t idx)
{
struct mlx5_priv *priv = dev->data->dev_private;
- struct mlx5_rxq_ctrl *rxq_ctrl = mlx5_rxq_ctrl_get(dev, idx);
+ struct mlx5_rxq_ctrl *rxq_ctrl;
+ if (mlx5_is_external_rxq(dev, idx))
+ return false;
+ rxq_ctrl = mlx5_rxq_ctrl_get(dev, idx);
return (idx < priv->rxqs_n && rxq_ctrl != NULL && rxq_ctrl->is_hairpin);
}
if (ref_qs)
for (i = 0; i != queues_n; ++i) {
- if (mlx5_rxq_ref(dev, queues[i]) == NULL) {
- ret = -rte_errno;
- goto error;
+ if (mlx5_is_external_rxq(dev, queues[i])) {
+ if (mlx5_ext_rxq_ref(dev, queues[i]) == NULL) {
+ ret = -rte_errno;
+ goto error;
+ }
+ } else {
+ if (mlx5_rxq_ref(dev, queues[i]) == NULL) {
+ ret = -rte_errno;
+ goto error;
+ }
}
}
ret = priv->obj_ops.ind_table_new(dev, n, ind_tbl);
error:
if (ref_qs) {
err = rte_errno;
- for (j = 0; j < i; j++)
- mlx5_rxq_deref(dev, queues[j]);
+ for (j = 0; j < i; j++) {
+ if (mlx5_is_external_rxq(dev, queues[j]))
+ mlx5_ext_rxq_deref(dev, queues[j]);
+ else
+ mlx5_rxq_deref(dev, queues[j]);
+ }
rte_errno = err;
}
DRV_LOG(DEBUG, "Port %u cannot setup indirection table.",