Re: [PATCH net-next v7] net/ncsi: Extend NC-SI Netlink interface to allow user space to send NC-SI command

[David Miller]

From: <justin.l...@dell.com>
Date: Thu, 11 Oct 2018 18:07:37 +0000

> The new command (NCSI_CMD_SEND_CMD) is added to allow user space application
> to send NC-SI command to the network card.
> Also, add a new attribute (NCSI_ATTR_DATA) for transferring request and 
> response.
> 
> The work flow is as below. 
> 
> Request:
> User space application
>       -> Netlink interface (msg)
>       -> new Netlink handler - ncsi_send_cmd_nl()
>       -> ncsi_xmit_cmd()
> 
> Response:
> Response received - ncsi_rcv_rsp()
>       -> internal response handler - ncsi_rsp_handler_xxx()
>       -> ncsi_rsp_handler_netlink()
>       -> ncsi_send_netlink_rsp ()
>       -> Netlink interface (msg)
>       -> user space application
> 
> Command timeout - ncsi_request_timeout()
>       -> ncsi_send_netlink_timeout ()
>       -> Netlink interface (msg with zero data length)
>       -> user space application
> 
> Error:
> Error detected
>       -> ncsi_send_netlink_err ()
>       -> Netlink interface (err msg)
>       -> user space application
> 
> 
> Signed-off-by: Justin Lee <justin.l...@dell.com> 

Applied.