linux-kernel - Re: [PATCH net-next] hinic: add debugfs support

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Message-ID: <b4ad6d8e-0760-bcea-56a3-dd8d3ffc8237@huawei.com>
Date:   Fri, 21 Aug 2020 11:01:58 +0800
From:   "luobin (L)" <luobin9@...wei.com>
To:     Jakub Kicinski <kuba@...nel.org>
CC:     <davem@...emloft.net>, <linux-kernel@...r.kernel.org>,
        <netdev@...r.kernel.org>, <luoxianjun@...wei.com>,
        <yin.yinshi@...wei.com>, <cloud.wangxiaoyun@...wei.com>,
        <chiqijun@...wei.com>
Subject: Re: [PATCH net-next] hinic: add debugfs support

On 2020/8/21 0:02, Jakub Kicinski wrote:
> On Thu, 20 Aug 2020 20:14:32 +0800 Luo bin wrote:
>> +static int hinic_dbg_help(struct hinic_dev *nic_dev, const char *cmd_buf)
>> +{
>> +	netif_info(nic_dev, drv, nic_dev->netdev, "Available commands:\n");
>> +	netif_info(nic_dev, drv, nic_dev->netdev, "sq info <queue id>\n");
>> +	netif_info(nic_dev, drv, nic_dev->netdev, "sq wqe info <queue id> <wqe id>\n");
>> +	netif_info(nic_dev, drv, nic_dev->netdev, "rq info <queue id>\n");
>> +	netif_info(nic_dev, drv, nic_dev->netdev, "rq wqe info <queue id> <wqe id>\n");
>> +	netif_info(nic_dev, drv, nic_dev->netdev, "sq ci table <queue id>\n");
>> +	netif_info(nic_dev, drv, nic_dev->netdev, "rq cqe info <queue id> <cqe id>\n");
>> +	netif_info(nic_dev, drv, nic_dev->netdev, "mac table\n");
>> +	netif_info(nic_dev, drv, nic_dev->netdev, "global table\n");
>> +	netif_info(nic_dev, drv, nic_dev->netdev, "func table\n");
>> +	netif_info(nic_dev, drv, nic_dev->netdev, "port table\n");
>> +	return 0;
>> +}
>> +
>> +static const struct hinic_dbg_cmd_info g_hinic_dbg_cmd[] = {
>> +	{"help", hinic_dbg_help},
>> +	{"sq info", hinic_dbg_get_sq_info},
>> +	{"sq wqe info", hinic_dbg_get_sq_wqe_info},
>> +	{"rq info", hinic_dbg_get_rq_info},
>> +	{"rq wqe info", hinic_dbg_get_rq_wqe_info},
>> +	{"sq ci table", hinic_dbg_get_ci_table},
>> +	{"rq cqe info", hinic_dbg_get_rq_cqe_info},
>> +	{"mac table", hinic_dbg_get_mac_table},
>> +	{"global table", hinic_dbg_get_global_table},
>> +	{"func table", hinic_dbg_get_function_table},
>> +	{"port table", hinic_dbg_get_port_table},
>> +};
> 
> Please don't create command interfaces like this.
> 
> Instead create a read only file for objects you want to expose.
> 
> Split addition of each object into a separate patch and provide example
> output in the commit message.
> .
> 
Will fix. Thanks for your review.