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Date: Thu, 21 Sep 2017 20:43:59 -0700 (PDT) From: David Miller <davem@...emloft.net> To: linyunsheng@...wei.com Cc: huangdaode@...ilicon.com, xuwei5@...ilicon.com, liguozhu@...ilicon.com, Yisen.Zhuang@...wei.com, gabriele.paoloni@...wei.com, john.garry@...wei.com, linuxarm@...wei.com, salil.mehta@...wei.com, lipeng321@...wei.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH net-next 01/10] net: hns3: Support for dynamically assigning tx buffer to TC From: Yunsheng Lin <linyunsheng@...wei.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@...wei.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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