Re: [PATCH net-next 10/13] qed: add support for new port modes

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On Thu, 16 Jul 2020 14:54:43 +0300 Alexander Lobakin wrote:
> These ports ship on new boards revisions and are supported by newer
> firmware versions.
> 
> Signed-off-by: Alexander Lobakin <alobakin@xxxxxxxxxxx>
> Signed-off-by: Igor Russkikh <irusskikh@xxxxxxxxxxx>

What is the driver actually doing with them, tho?

Looks like you translate some firmware specific field to a driver
specific field, but I can't figure out what part of the code cares
about hw_info.port_mode

> diff --git a/drivers/net/ethernet/qlogic/qed/qed.h b/drivers/net/ethernet/qlogic/qed/qed.h
> index 6a1d12da7910..63fcbd5a295a 100644
> --- a/drivers/net/ethernet/qlogic/qed/qed.h
> +++ b/drivers/net/ethernet/qlogic/qed/qed.h
> @@ -257,6 +257,11 @@ enum QED_PORT_MODE {
>  	QED_PORT_MODE_DE_1X25G,
>  	QED_PORT_MODE_DE_4X25G,
>  	QED_PORT_MODE_DE_2X10G,
> +	QED_PORT_MODE_DE_2X50G_R1,
> +	QED_PORT_MODE_DE_4X50G_R1,
> +	QED_PORT_MODE_DE_1X100G_R2,
> +	QED_PORT_MODE_DE_2X100G_R2,
> +	QED_PORT_MODE_DE_1X100G_R4,
>  };
>  
>  enum qed_dev_cap {
> diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c
> index d929556247a5..4bad836d0f74 100644
> --- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
> +++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
> @@ -4026,6 +4026,21 @@ static int qed_hw_get_nvm_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
>  	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_4X25G:
>  		p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_4X25G;
>  		break;
> +	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_2X50G_R1:
> +		p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_2X50G_R1;
> +		break;
> +	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_4X50G_R1:
> +		p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_4X50G_R1;
> +		break;
> +	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_1X100G_R2:
> +		p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_1X100G_R2;
> +		break;
> +	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_2X100G_R2:
> +		p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_2X100G_R2;
> +		break;
> +	case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_1X100G_R4:
> +		p_hwfn->hw_info.port_mode = QED_PORT_MODE_DE_1X100G_R4;
> +		break;
>  	default:
>  		DP_NOTICE(p_hwfn, "Unknown port mode in 0x%08x\n", core_cfg);
>  		break;
> diff --git a/drivers/net/ethernet/qlogic/qed/qed_hsi.h b/drivers/net/ethernet/qlogic/qed/qed_hsi.h
> index a4a845579fd2..debc55923251 100644
> --- a/drivers/net/ethernet/qlogic/qed/qed_hsi.h
> +++ b/drivers/net/ethernet/qlogic/qed/qed_hsi.h
> @@ -13015,6 +13015,11 @@ struct nvm_cfg1_glob {
>  #define NVM_CFG1_GLOB_NETWORK_PORT_MODE_1X25G			0xd
>  #define NVM_CFG1_GLOB_NETWORK_PORT_MODE_4X25G			0xe
>  #define NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X10G			0xf
> +#define NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_2X50G_R1		0x11
> +#define NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_4X50G_R1		0x12
> +#define NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_1X100G_R2		0x13
> +#define NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_2X100G_R2		0x14
> +#define NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_1X100G_R4		0x15
>  
>  	u32							e_lane_cfg1;
>  	u32							e_lane_cfg2;




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