[dpdk-dev] [PATCHv4 3/9] null: extend number of virtual queues
Tetsuya Mukawa
mukawa at igel.co.jp
Tue Sep 29 04:24:39 CEST 2015
On 2015/07/16 2:26, Tomasz Kulasek wrote:
> 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;
> }
Hi Thomasz,
To do like above, should we change below variables also?
static int
eth_dev_null_create(const char *name,
const unsigned numa_node,
unsigned packet_size,
unsigned packet_copy)
{
const unsigned nb_rx_queues = 1;
const unsigned nb_tx_queues = 1;
(snip)
}
Tetsuya
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