[dpdk-dev] [PATCHv4 3/9] null: extend number of virtual queues

Tomasz Kulasek tomaszx.kulasek at intel.com
Wed Jul 15 19:26:23 CEST 2015


This patch adds a possibility to configure more than one queue on null
device.

Signed-off-by: Tomasz Kulasek <tomaszx.kulasek at intel.com>
---
 drivers/net/null/rte_eth_null.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/null/rte_eth_null.c b/drivers/net/null/rte_eth_null.c
index a8b3191..39ffcde 100644
--- a/drivers/net/null/rte_eth_null.c
+++ b/drivers/net/null/rte_eth_null.c
@@ -71,8 +71,8 @@ struct pmd_internals {
 	unsigned nb_rx_queues;
 	unsigned nb_tx_queues;
 
-	struct null_queue rx_null_queues[1];
-	struct null_queue tx_null_queues[1];
+	struct null_queue rx_null_queues[RTE_MAX_QUEUES_PER_PORT];
+	struct null_queue tx_null_queues[RTE_MAX_QUEUES_PER_PORT];
 };
 
 
@@ -213,7 +213,7 @@ eth_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
 	if ((dev == NULL) || (mb_pool == NULL))
 		return -EINVAL;
 
-	if (rx_queue_id != 0)
+	if (rx_queue_id >= dev->data->nb_rx_queues)
 		return -ENODEV;
 
 	internals = dev->data->dev_private;
@@ -246,7 +246,7 @@ eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
 	if (dev == NULL)
 		return -EINVAL;
 
-	if (tx_queue_id != 0)
+	if (tx_queue_id >= dev->data->nb_tx_queues)
 		return -ENODEV;
 
 	internals = dev->data->dev_private;
@@ -279,8 +279,8 @@ eth_dev_info(struct rte_eth_dev *dev,
 	dev_info->driver_name = drivername;
 	dev_info->max_mac_addrs = 1;
 	dev_info->max_rx_pktlen = (uint32_t)-1;
-	dev_info->max_rx_queues = (uint16_t)internals->nb_rx_queues;
-	dev_info->max_tx_queues = (uint16_t)internals->nb_tx_queues;
+	dev_info->max_rx_queues = RTE_DIM(internals->rx_null_queues);
+	dev_info->max_tx_queues = RTE_DIM(internals->tx_null_queues);
 	dev_info->min_rx_bufsize = 0;
 	dev_info->pci_dev = NULL;
 }
-- 
1.7.9.5



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