[Patch v6 06/18] net/mana: add device info

[fengchengwen]

On 2022/8/31 6:51, longli at linuxonhyperv.com wrote:
> From: Long Li <longli at microsoft.com>
> 
> Add the function to get device info.
> 
> Signed-off-by: Long Li <longli at microsoft.com>
> ---
>  doc/guides/nics/features/mana.ini |  1 +
>  drivers/net/mana/mana.c           | 82 +++++++++++++++++++++++++++++++
>  2 files changed, 83 insertions(+)
> 
> diff --git a/doc/guides/nics/features/mana.ini b/doc/guides/nics/features/mana.ini
> index 8043e11f99..566b3e8770 100644
> --- a/doc/guides/nics/features/mana.ini
> +++ b/doc/guides/nics/features/mana.ini
> @@ -8,5 +8,6 @@ Link status          = P
>  Linux                = Y
>  Multiprocess aware   = Y
>  Removal event        = Y
> +Speed capabilities   = P
>  Usage doc            = Y
>  x86-64               = Y
> diff --git a/drivers/net/mana/mana.c b/drivers/net/mana/mana.c
> index c9591035ac..e1550b3c08 100644
> --- a/drivers/net/mana/mana.c
> +++ b/drivers/net/mana/mana.c
> @@ -116,6 +116,86 @@ mana_dev_close(struct rte_eth_dev *dev)
>  	return 0;
>  }
>  
> +static int mana_dev_info_get(struct rte_eth_dev *dev,
> +			     struct rte_eth_dev_info *dev_info)
> +{
> +	struct mana_priv *priv = dev->data->dev_private;
> +
> +	dev_info->max_mtu = RTE_ETHER_MTU;

...

> +	dev_info->tx_desc_lim.nb_max = priv->max_tx_desc;
> +	dev_info->tx_desc_lim.nb_align = MIN_BUFFERS_PER_QUEUE;
> +	dev_info->tx_desc_lim.nb_seg_max = priv->max_send_sge;
> +	dev_info->rx_desc_lim.nb_mtu_seg_max = priv->max_recv_sge;
> +
> +	/* Speed */
> +	dev_info->speed_capa = ETH_LINK_SPEED_100G;

I notice "[Patch v6 04/18] net/mana: add link update" report always 200G, why here is 100G?

> +
> +	/* RX params */
> +	dev_info->default_rxportconf.burst_size = 1;
> +	dev_info->default_rxportconf.ring_size = MAX_RECEIVE_BUFFERS_PER_QUEUE;
> +	dev_info->default_rxportconf.nb_queues = 1;
> +
> +	/* TX params */
> +	dev_info->default_txportconf.burst_size = 1;
> +	dev_info->default_txportconf.ring_size = MAX_SEND_BUFFERS_PER_QUEUE;
> +	dev_info->default_txportconf.nb_queues = 1;
> +
> +	return 0;
> +}
> +

...