[dpdk-dev] [PATCH v8 2/4] ethdev: Fill speed capability bitmaps in the PMDs

[Rahul Lakkireddy]

Hi Marc,

On Sunday, February 02/14/16, 2016 at 23:17:37 +0100, Marc Sune wrote:
> Added speed capabilities to all pmds supporting physical NICs:
> 
> * e1000
> * ixgbe
> * i40
> * bnx2x
> * cxgbe
> * mlx4
> * mlx5
> * nfp
> * fm10k
> 
> Signed-off-by: Marc Sune <marcdevel at gmail.com>
> ---
>  drivers/net/bnx2x/bnx2x_ethdev.c |  1 +
>  drivers/net/cxgbe/cxgbe_ethdev.c |  1 +
>  drivers/net/e1000/em_ethdev.c    |  6 ++++++
>  drivers/net/e1000/igb_ethdev.c   |  6 ++++++
>  drivers/net/fm10k/fm10k_ethdev.c |  4 ++++
>  drivers/net/i40e/i40e_ethdev.c   |  9 +++++++++
>  drivers/net/ixgbe/ixgbe_ethdev.c | 10 ++++++++++
>  drivers/net/mlx4/mlx4.c          |  4 ++++
>  drivers/net/mlx5/mlx5_ethdev.c   |  5 +++++
>  drivers/net/nfp/nfp_net.c        |  2 ++
>  10 files changed, 48 insertions(+)
> 

[...]

> diff --git a/drivers/net/cxgbe/cxgbe_ethdev.c b/drivers/net/cxgbe/cxgbe_ethdev.c
> index 97ef152..203e119 100644
> --- a/drivers/net/cxgbe/cxgbe_ethdev.c
> +++ b/drivers/net/cxgbe/cxgbe_ethdev.c
> @@ -171,6 +171,7 @@ static void cxgbe_dev_info_get(struct rte_eth_dev *eth_dev,
>  
>  	device_info->rx_desc_lim = cxgbe_desc_lim;
>  	device_info->tx_desc_lim = cxgbe_desc_lim;
> +	device_info->speed_capa = ETH_SPEED_CAP_10G | ETH_SPEED_CAP_40G;
>  }
>  

Not all Chelsio NICs support _both_ 10G and 40G speed capabilities on a
single card.  You can query pi->link_cfg.supported to get the supported
speeds.  Check out print_port_info() in cxgbe_main.c to help you fill
in your speed capabilities for Chelsio NICs.

Thanks,
Rahul