Thread (62 messages) flat view 62 messages, 10 authors, 2021-10-11

[dpdk-dev] [RFC] ethdev: change queue release callback

From: Xueming Li <hidden>
Date: 2021-07-27 03:42:16
Subsystem: library code, the rest · Maintainers: Andrew Morton, Linus Torvalds

To align with other eth device queue configuration callbacks, change RX
and TX queue release callback API parameter from queue object to device
and queue index.

Signed-off-by: Xueming Li <redacted>

=========================
In formal patch, there should be a lot of changes to update all PMDs.
---
 lib/ethdev/ethdev_driver.h |  3 ++-
 lib/ethdev/rte_ethdev.c    | 49 +++++++++++++++-----------------------
 2 files changed, 21 insertions(+), 31 deletions(-)
diff --git a/lib/ethdev/ethdev_driver.h b/lib/ethdev/ethdev_driver.h
index 40e474aa7e..838e8468e6 100644
--- a/lib/ethdev/ethdev_driver.h
+++ b/lib/ethdev/ethdev_driver.h
@@ -282,7 +282,8 @@ typedef int (*eth_rx_disable_intr_t)(struct rte_eth_dev *dev,
 				    uint16_t rx_queue_id);
 /**< @internal Disable interrupt of a receive queue of an Ethernet device. */
 
-typedef void (*eth_queue_release_t)(void *queue);
+typedef void (*eth_queue_release_t)(struct rte_eth_dev *dev,
+				       uint16_t rx_queue_id);
 /**< @internal Release memory resources allocated by given RX/TX queue. */
 
 typedef int (*eth_fw_version_get_t)(struct rte_eth_dev *dev,
diff --git a/lib/ethdev/rte_ethdev.c b/lib/ethdev/rte_ethdev.c
index 9d95cd11e1..a1106f5896 100644
--- a/lib/ethdev/rte_ethdev.c
+++ b/lib/ethdev/rte_ethdev.c
@@ -906,12 +906,10 @@ eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 			return -(ENOMEM);
 		}
 	} else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
-		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
-
+		if (dev->dev_ops->rx_queue_release != NULL)
+			for (i = nb_queues; i < old_nb_queues; i++)
+				(*dev->dev_ops->rx_queue_release)(dev, i);
 		rxq = dev->data->rx_queues;
-
-		for (i = nb_queues; i < old_nb_queues; i++)
-			(*dev->dev_ops->rx_queue_release)(rxq[i]);
 		rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 				RTE_CACHE_LINE_SIZE);
 		if (rxq == NULL)
@@ -926,12 +924,10 @@ eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 		dev->data->rx_queues = rxq;
 
 	} else if (dev->data->rx_queues != NULL && nb_queues == 0) {
-		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
-
-		rxq = dev->data->rx_queues;
 
-		for (i = nb_queues; i < old_nb_queues; i++)
-			(*dev->dev_ops->rx_queue_release)(rxq[i]);
+		if (dev->dev_ops->rx_queue_release != NULL)
+			for (i = nb_queues; i < old_nb_queues; i++)
+				(*dev->dev_ops->rx_queue_release)(dev, i);
 
 		rte_free(dev->data->rx_queues);
 		dev->data->rx_queues = NULL;
@@ -1146,12 +1142,11 @@ eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 			return -(ENOMEM);
 		}
 	} else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
-		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
-
 		txq = dev->data->tx_queues;
 
-		for (i = nb_queues; i < old_nb_queues; i++)
-			(*dev->dev_ops->tx_queue_release)(txq[i]);
+		if (dev->dev_ops->tx_queue_release != NULL)
+			for (i = nb_queues; i < old_nb_queues; i++)
+				(*dev->dev_ops->tx_queue_release)(dev, i);
 		txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 				  RTE_CACHE_LINE_SIZE);
 		if (txq == NULL)
@@ -1166,12 +1161,11 @@ eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 		dev->data->tx_queues = txq;
 
 	} else if (dev->data->tx_queues != NULL && nb_queues == 0) {
-		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
-
 		txq = dev->data->tx_queues;
 
-		for (i = nb_queues; i < old_nb_queues; i++)
-			(*dev->dev_ops->tx_queue_release)(txq[i]);
+		if (dev->dev_ops->tx_queue_release != NULL)
+			for (i = nb_queues; i < old_nb_queues; i++)
+				(*dev->dev_ops->tx_queue_release)(dev, i);
 
 		rte_free(dev->data->tx_queues);
 		dev->data->tx_queues = NULL;
@@ -2113,9 +2107,7 @@ rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
 
 	rxq = dev->data->rx_queues;
 	if (rxq[rx_queue_id]) {
-		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
-					-ENOTSUP);
-		(*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
+		(*dev->dev_ops->rx_queue_release)(dev, rx_queue_id);
 		rxq[rx_queue_id] = NULL;
 	}
 
@@ -2249,9 +2241,8 @@ rte_eth_rx_hairpin_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
 		return -EBUSY;
 	rxq = dev->data->rx_queues;
 	if (rxq[rx_queue_id] != NULL) {
-		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
-					-ENOTSUP);
-		(*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
+		if (dev->dev_ops->rx_queue_release != NULL)
+			(*dev->dev_ops->rx_queue_release)(dev, rx_queue_id);
 		rxq[rx_queue_id] = NULL;
 	}
 	ret = (*dev->dev_ops->rx_hairpin_queue_setup)(dev, rx_queue_id,
@@ -2317,9 +2308,8 @@ rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
 
 	txq = dev->data->tx_queues;
 	if (txq[tx_queue_id]) {
-		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
-					-ENOTSUP);
-		(*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
+		if (dev->dev_ops->tx_queue_release != NULL)
+			(*dev->dev_ops->tx_queue_release)(dev, tx_queue_id);
 		txq[tx_queue_id] = NULL;
 	}
 
@@ -2429,9 +2419,8 @@ rte_eth_tx_hairpin_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
 		return -EBUSY;
 	txq = dev->data->tx_queues;
 	if (txq[tx_queue_id] != NULL) {
-		RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
-					-ENOTSUP);
-		(*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
+		if (dev->dev_ops->tx_queue_release != NULL)
+			(*dev->dev_ops->tx_queue_release)(dev, tx_queue_id);
 		txq[tx_queue_id] = NULL;
 	}
 	ret = (*dev->dev_ops->tx_hairpin_queue_setup)
-- 
2.25.1
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