RE: [PATCH net-next 8/9] net: hns3: Add support of debugfs interface to HNS3 driver

[Mintz, Yuval]

> This adds the support of the debugfs interface to the driver for debugging
> purposes.

> +const struct  hclge_support_cmd  support_cmd[] = {
> +	{"send cmd", 8, hclge_dbg_send,
> +		"opcode flag data0 data1 data2 data3 data4 data5"},
> +	{"help", 4, hclge_dbg_usage, "no option"}, };

Is there an actual description of what this does? Or is it simply a huge backdoor?