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SubjectRe: [PATCH net-next 01/10] net: hns3: Support for dynamically assigning tx buffer to TC
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From: Yunsheng Lin <linyunsheng@huawei.com>
Date: Fri, 22 Sep 2017 09:57:31 +0800

> Hi, David
>
> On 2017/9/22 9:41, David Miller wrote:
>> From: Yunsheng Lin <linyunsheng@huawei.com>
>> 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.

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