Re: [PATCH v2 3/3] null: remove duplicate fields in internal data struct

[Nicolas Pernas Maradei <nicolas.pernas.maradei@emutex.com>]

Adding Acked-by line

On 18/02/16 11:26, Ferruh Yigit wrote:
> 1- remove duplicate nb_rx/tx_queues fields from internals
> 2- remove duplicate numa_node field from internals
>
> Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
> Tested-by: Tetsuya Mukawa <mukawa@igel.co.jp>
> Acked-by: Tetsuya Mukawa <mukawa@igel.co.jp>
> Acked-by: Nicolas Pernas Maradei <nicolas.pernas.maradei@emutex.com>
> ---
>  drivers/net/null/rte_eth_null.c | 36 ++++++++++++------------------------
>  1 file changed, 12 insertions(+), 24 deletions(-)
>
> diff --git a/drivers/net/null/rte_eth_null.c b/drivers/net/null/rte_eth_null.c
> index 77fc988..1c354ad 100644
> --- a/drivers/net/null/rte_eth_null.c
> +++ b/drivers/net/null/rte_eth_null.c
> @@ -69,10 +69,6 @@ struct null_queue {
>  struct pmd_internals {
>  	unsigned packet_size;
>  	unsigned packet_copy;
> -	unsigned numa_node;
> -
> -	unsigned nb_rx_queues;
> -	unsigned nb_tx_queues;
>  
>  	struct null_queue rx_null_queues[RTE_MAX_QUEUES_PER_PORT];
>  	struct null_queue tx_null_queues[RTE_MAX_QUEUES_PER_PORT];
> @@ -192,13 +188,8 @@ eth_null_copy_tx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
>  }
>  
>  static int
> -eth_dev_configure(struct rte_eth_dev *dev) {
> -	struct pmd_internals *internals;
> -
> -	internals = dev->data->dev_private;
> -	internals->nb_rx_queues = dev->data->nb_rx_queues;
> -	internals->nb_tx_queues = dev->data->nb_tx_queues;
> -
> +eth_dev_configure(struct rte_eth_dev *dev __rte_unused)
> +{
>  	return 0;
>  }
>  
> @@ -237,7 +228,7 @@ eth_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
>  
>  	internals = dev->data->dev_private;
>  
> -	if (rx_queue_id >= internals->nb_rx_queues)
> +	if (rx_queue_id >= dev->data->nb_rx_queues)
>  		return -ENODEV;
>  
>  	packet_size = internals->packet_size;
> @@ -246,7 +237,7 @@ eth_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
>  	dev->data->rx_queues[rx_queue_id] =
>  		&internals->rx_null_queues[rx_queue_id];
>  	dummy_packet = rte_zmalloc_socket(NULL,
> -			packet_size, 0, internals->numa_node);
> +			packet_size, 0, dev->data->numa_node);
>  	if (dummy_packet == NULL)
>  		return -ENOMEM;
>  
> @@ -271,7 +262,7 @@ eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
>  
>  	internals = dev->data->dev_private;
>  
> -	if (tx_queue_id >= internals->nb_tx_queues)
> +	if (tx_queue_id >= dev->data->nb_tx_queues)
>  		return -ENODEV;
>  
>  	packet_size = internals->packet_size;
> @@ -279,7 +270,7 @@ eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
>  	dev->data->tx_queues[tx_queue_id] =
>  		&internals->tx_null_queues[tx_queue_id];
>  	dummy_packet = rte_zmalloc_socket(NULL,
> -			packet_size, 0, internals->numa_node);
> +			packet_size, 0, dev->data->numa_node);
>  	if (dummy_packet == NULL)
>  		return -ENOMEM;
>  
> @@ -323,7 +314,7 @@ eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *igb_stats)
>  
>  	internal = dev->data->dev_private;
>  	num_stats = RTE_MIN((unsigned)RTE_ETHDEV_QUEUE_STAT_CNTRS,
> -			RTE_MIN(internal->nb_rx_queues,
> +			RTE_MIN(dev->data->nb_rx_queues,
>  				RTE_DIM(internal->rx_null_queues)));
>  	for (i = 0; i < num_stats; i++) {
>  		igb_stats->q_ipackets[i] =
> @@ -332,7 +323,7 @@ eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *igb_stats)
>  	}
>  
>  	num_stats = RTE_MIN((unsigned)RTE_ETHDEV_QUEUE_STAT_CNTRS,
> -			RTE_MIN(internal->nb_tx_queues,
> +			RTE_MIN(dev->data->nb_tx_queues,
>  				RTE_DIM(internal->tx_null_queues)));
>  	for (i = 0; i < num_stats; i++) {
>  		igb_stats->q_opackets[i] =
> @@ -535,11 +526,8 @@ eth_dev_null_create(const char *name,
>  	/* NOTE: we'll replace the data element, of originally allocated eth_dev
>  	 * so the nulls are local per-process */
>  
> -	internals->nb_rx_queues = nb_rx_queues;
> -	internals->nb_tx_queues = nb_tx_queues;
>  	internals->packet_size = packet_size;
>  	internals->packet_copy = packet_copy;
> -	internals->numa_node = numa_node;
>  
>  	internals->flow_type_rss_offloads =  ETH_RSS_PROTO_MASK;
>  	internals->reta_size = RTE_DIM(internals->reta_conf) * RTE_RETA_GROUP_SIZE;
> @@ -560,10 +548,10 @@ eth_dev_null_create(const char *name,
>  	TAILQ_INIT(&eth_dev->link_intr_cbs);
>  
>  	eth_dev->driver = NULL;
> -	eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
> -	eth_dev->data->kdrv = RTE_KDRV_NONE;
> -	eth_dev->data->drv_name = drivername;
> -	eth_dev->data->numa_node = numa_node;
> +	data->dev_flags = RTE_ETH_DEV_DETACHABLE;
> +	data->kdrv = RTE_KDRV_NONE;
> +	data->drv_name = drivername;
> +	data->numa_node = numa_node;
>  
>  	/* finally assign rx and tx ops */
>  	if (packet_copy) {