netdev - RE: [PATCH net-next v2 5/6] devlink: Adding num MSI-X vectors per VF NVRAM config param

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Date:   Thu, 19 Oct 2017 20:32:21 +0000
From:   Yuval Mintz <yuvalm@...lanox.com>
To:     Steve Lin <steven.lin1@...adcom.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     Jiri Pirko <jiri@...lanox.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "michael.chan@...adcom.com" <michael.chan@...adcom.com>,
        "linville@...driver.com" <linville@...driver.com>,
        "gospo@...adcom.com" <gospo@...adcom.com>
Subject: RE: [PATCH net-next v2 5/6] devlink: Adding num MSI-X vectors per VF
 NVRAM config param

> Adding DEVLINK_PERM_CONFIG_MSIX_VECTORS_PER_VF permanent
> config
> parameter.  Defines number of MSI-X vectors allocated per VF.
> Value is permanent (stored in NVRAM), so becomes the new default
> value for this device.

Sounds like you're having this enforce the same configuration for all child VFs.

> 
> Signed-off-by: Steve Lin <steven.lin1@...adcom.com>
> Acked-by: Andy Gospodarek <gospo@...adcom.com>
> ---
>  include/uapi/linux/devlink.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h
> index 8ad6c63..ef163b6 100644
> --- a/include/uapi/linux/devlink.h
> +++ b/include/uapi/linux/devlink.h
> @@ -260,6 +260,7 @@ enum devlink_perm_config_param {
>  	DEVLINK_PERM_CONFIG_SRIOV_ENABLED,
>  	DEVLINK_PERM_CONFIG_NUM_VF_PER_PF,
>  	DEVLINK_PERM_CONFIG_MAX_NUM_PF_MSIX_VECT,
> +	DEVLINK_PERM_CONFIG_MSIX_VECTORS_PER_VF,
>  };
> 
>  #endif /* _UAPI_LINUX_DEVLINK_H_ */
> --
> 2.7.4