Re: [PATCH net-next 01/10] net: hns3: Support for dynamically assigning tx buffer to TC

[David Miller]

From: Yunsheng Lin <linyunsheng@xxxxxxxxxx>
Date: Fri, 22 Sep 2017 09:57:31 +0800

> Hi, David
> 
> On 2017/9/22 9:41, David Miller wrote:
>> From: Yunsheng Lin <linyunsheng@xxxxxxxxxx>
>> Date: Thu, 21 Sep 2017 19:21:44 +0800
>> 
>>> @@ -1324,23 +1324,28 @@ static int hclge_alloc_vport(struct hclge_dev *hdev)
>>>  	return 0;
>>>  }
>>>  
>>> -static int  hclge_cmd_alloc_tx_buff(struct hclge_dev *hdev, u16 buf_size)
>>> +static int  hclge_cmd_alloc_tx_buff(struct hclge_dev *hdev)
>>>  {
>>>  /* TX buffer size is unit by 128 byte */
>>>  #define HCLGE_BUF_SIZE_UNIT_SHIFT	7
>>>  #define HCLGE_BUF_SIZE_UPDATE_EN_MSK	BIT(15)
>>>  	struct hclge_tx_buff_alloc *req;
>>> +	struct hclge_priv_buf *priv;
>>>  	struct hclge_desc desc;
>>> +	u32 buf_size;
>>>  	int ret;
>>>  	u8 i;
>>>  
>>>  	req = (struct hclge_tx_buff_alloc *)desc.data;
>>>  
>>>  	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TX_BUFF_ALLOC, 0);
>>> -	for (i = 0; i < HCLGE_TC_NUM; i++)
>>> +	for (i = 0; i < HCLGE_TC_NUM; i++) {
>>> +		priv = &hdev->priv_buf[i];
>>> +		buf_size = priv->tx_buf_size;
>>>  		req->tx_pkt_buff[i] =
>>>  			cpu_to_le16((buf_size >> HCLGE_BUF_SIZE_UNIT_SHIFT) |
> 
> buf_size is used here

My bad, I misread the code.

Thanks.