netdev - Re: [PATCH net-next 07/13] net/mlx5: SF, Add auxiliary device support

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Message-ID: <b9e84fd1-1af4-d979-184d-cbbeedec1aa0@gmail.com>
Date:   Sun, 6 Dec 2020 19:48:42 -0700
From:   David Ahern <dsahern@...il.com>
To:     Parav Pandit <parav@...dia.com>, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org, gregkh@...uxfoundation.org
Cc:     jiri@...dia.com, jgg@...dia.com, dledford@...hat.com,
        leonro@...dia.com, saeedm@...dia.com, kuba@...nel.org,
        davem@...emloft.net, Vu Pham <vuhuong@...dia.com>
Subject: Re: [PATCH net-next 07/13] net/mlx5: SF, Add auxiliary device support

On 11/12/20 12:24 PM, Parav Pandit wrote:
> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
> index 485478979b1a..10dfaf671c90 100644
> --- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
> @@ -202,3 +202,12 @@ config MLX5_SW_STEERING
>  	default y
>  	help
>  	Build support for software-managed steering in the NIC.
> +
> +config MLX5_SF
> +	bool "Mellanox Technologies subfunction device support using auxiliary device"
> +	depends on MLX5_CORE && MLX5_CORE_EN
> +	default n
> +	help
> +	Build support for subfuction device in the NIC. A Mellanox subfunction
> +	device can support RDMA, netdevice and vdpa device.
> +	It is similar to a SRIOV VF but it doesn't require SRIOV support.

per Dan's comment about AUXILIARY_BUS being select only, should this
config select AUXILIARY_BUS?