netdev - Re: [PATCH v1 iproute2-next 1/3] rdma: update rdma

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Date:   Sun, 13 May 2018 16:15:09 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Steve Wise <swise@...ngridcomputing.com>
Cc:     dsahern@...il.com, stephen@...workplumber.org,
        netdev@...r.kernel.org, linux-rdma@...r.kernel.org
Subject: Re: [PATCH v1 iproute2-next 1/3] rdma: update rdma_netlink.h to get
 driver attrs

On Mon, May 07, 2018 at 08:53:10AM -0700, Steve Wise wrote:
> Signed-off-by: Steve Wise <swise@...ngridcomputing.com>
> ---
>  rdma/include/uapi/rdma/rdma_netlink.h | 37 ++++++++++++++++++++++++++++++++++-
>  1 file changed, 36 insertions(+), 1 deletion(-)

Please write in commit message something like: "Based on kernel commit
....", so we will be able to track changes.

>
> diff --git a/rdma/include/uapi/rdma/rdma_netlink.h b/rdma/include/uapi/rdma/rdma_netlink.h
> index 45474f1..40be0d8 100644
> --- a/rdma/include/uapi/rdma/rdma_netlink.h
> +++ b/rdma/include/uapi/rdma/rdma_netlink.h
> @@ -249,10 +249,22 @@ enum rdma_nldev_command {
>  	RDMA_NLDEV_NUM_OPS
>  };
>
> +enum {
> +	RDMA_NLDEV_ATTR_ENTRY_STRLEN = 16,
> +};
> +
> +enum rdma_nldev_print_type {
> +	RDMA_NLDEV_PRINT_TYPE_UNSPEC,
> +	RDMA_NLDEV_PRINT_TYPE_HEX,
> +};
> +
>  enum rdma_nldev_attr {
>  	/* don't change the order or add anything between, this is ABI! */
>  	RDMA_NLDEV_ATTR_UNSPEC,
>
> +	/* Pad attribute for 64b alignment */
> +	RDMA_NLDEV_ATTR_PAD = RDMA_NLDEV_ATTR_UNSPEC,
> +
>  	/* Identifier for ib_device */
>  	RDMA_NLDEV_ATTR_DEV_INDEX,		/* u32 */
>
> @@ -387,8 +399,31 @@ enum rdma_nldev_attr {
>  	RDMA_NLDEV_ATTR_RES_PD_ENTRY,		/* nested table */
>  	RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY,	/* u32 */
>  	RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY,	/* u32 */
> +	/*
> +	 * driver-specific attributes.
> +	 */
> +	RDMA_NLDEV_ATTR_DRIVER,			/* nested table */
> +	RDMA_NLDEV_ATTR_DRIVER_ENTRY,		/* nested table */
> +	RDMA_NLDEV_ATTR_DRIVER_STRING,		/* string */
> +	/*
> +	 * u8 values from enum rdma_nldev_print_type
> +	 */
> +	RDMA_NLDEV_ATTR_DRIVER_PRINT_TYPE,	/* u8 */
> +	RDMA_NLDEV_ATTR_DRIVER_S32,		/* s32 */
> +	RDMA_NLDEV_ATTR_DRIVER_U32,		/* u32 */
> +	RDMA_NLDEV_ATTR_DRIVER_S64,		/* s64 */
> +	RDMA_NLDEV_ATTR_DRIVER_U64,		/* u64 */
>
> -	/* Netdev information for relevant protocols, like RoCE and iWARP */
> +	/*
> +	 * Provides logical name and index of netdevice which is
> +	 * connected to physical port. This information is relevant
> +	 * for RoCE and iWARP.
> +	 *
> +	 * The netdevices which are associated with containers are
> +	 * supposed to be exported together with GID table once it
> +	 * will be exposed through the netlink. Because the
> +	 * associated netdevices are properties of GIDs.
> +	 */
>  	RDMA_NLDEV_ATTR_NDEV_INDEX,		/* u32 */
>  	RDMA_NLDEV_ATTR_NDEV_NAME,		/* string */
>
> --
> 1.8.3.1
>

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