[dpdk-dev] [PATCH] drivers/net: remove useless autoneg capability

Ajit Khaparde ajit.khaparde at broadcom.com
Mon Mar 29 16:12:55 CEST 2021


On Mon, Mar 29, 2021 at 12:29 AM Thomas Monjalon <thomas at monjalon.net> wrote:
>
> The flag ETH_LINK_SPEED_AUTONEG is 0,
> so it cannot be used in a capability bitmap.
>
> Having 0 in speed capability means all speeds are accepted.
>
> Signed-off-by: Thomas Monjalon <thomas at monjalon.net>
> ---
>  drivers/net/bnxt/bnxt_ethdev.c          | 2 --
For bnxt
Acked-by: Ajit Khaparde <ajit.khaparde at broadcom.com>

>  drivers/net/mlx5/linux/mlx5_ethdev_os.c | 4 ----
>  2 files changed, 6 deletions(-)
>
> diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
> index f1dd40591f..a2debdbb64 100644
> --- a/drivers/net/bnxt/bnxt_ethdev.c
> +++ b/drivers/net/bnxt/bnxt_ethdev.c
> @@ -889,8 +889,6 @@ uint32_t bnxt_get_speed_capabilities(struct bnxt *bp)
>         if (bp->link_info->auto_mode ==
>             HWRM_PORT_PHY_QCFG_OUTPUT_AUTO_MODE_NONE)
>                 speed_capa |= ETH_LINK_SPEED_FIXED;
> -       else
> -               speed_capa |= ETH_LINK_SPEED_AUTONEG;
>
>         return speed_capa;
>  }
> diff --git a/drivers/net/mlx5/linux/mlx5_ethdev_os.c b/drivers/net/mlx5/linux/mlx5_ethdev_os.c
> index 0e8de9439e..58d56913ae 100644
> --- a/drivers/net/mlx5/linux/mlx5_ethdev_os.c
> +++ b/drivers/net/mlx5/linux/mlx5_ethdev_os.c
> @@ -409,8 +409,6 @@ mlx5_link_update_unlocked_gset(struct rte_eth_dev *dev,
>         else
>                 dev_link.link_speed = link_speed;
>         priv->link_speed_capa = 0;
> -       if (edata.supported & SUPPORTED_Autoneg)
> -               priv->link_speed_capa |= ETH_LINK_SPEED_AUTONEG;
>         if (edata.supported & (SUPPORTED_1000baseT_Full |
>                                SUPPORTED_1000baseKX_Full))
>                 priv->link_speed_capa |= ETH_LINK_SPEED_1G;
> @@ -517,8 +515,6 @@ mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev,
>         sc = ecmd->link_mode_masks[0] |
>                 ((uint64_t)ecmd->link_mode_masks[1] << 32);
>         priv->link_speed_capa = 0;
> -       if (sc & MLX5_BITSHIFT(ETHTOOL_LINK_MODE_Autoneg_BIT))
> -               priv->link_speed_capa |= ETH_LINK_SPEED_AUTONEG;
>         if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_1000baseT_Full_BIT) |
>                   MLX5_BITSHIFT(ETHTOOL_LINK_MODE_1000baseKX_Full_BIT)))
>                 priv->link_speed_capa |= ETH_LINK_SPEED_1G;
> --
> 2.30.1
>


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