Commit 6d0ec65c authored Jul 06, 2018 by Yunsheng Lin Committed by David S. Miller Jul 07, 2018

net: hns3: Fix for mac pause not disable in pfc mode



When pfc pause mode is enable, the mac pause mode need to be
disabled, otherwise the pfc pause packet will not be sent when
congestion happens.

This patch fixes by disabling the mac pause when pfc pause is
enabled.

Fixes: 84844054 ("net: hns3: Add support of TX Scheduler & Shaper to HNS3 driver")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent a75a8efa

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c

+7 −2

Original line number	Diff line number	Diff line
		@@ -1223,6 +1223,10 @@ static int hclge_mac_pause_setup_hw(struct hclge_dev *hdev)
		tx_en = true;
		rx_en = true;
		break;
		case HCLGE_FC_PFC:
		tx_en = false;
		rx_en = false;
		break;
		default:
		tx_en = true;
		rx_en = true;
		@@ -1240,8 +1244,9 @@ int hclge_pause_setup_hw(struct hclge_dev *hdev)
		if (ret)
		return ret;

		if (hdev->tm_info.fc_mode != HCLGE_FC_PFC)
		return hclge_mac_pause_setup_hw(hdev);
		ret = hclge_mac_pause_setup_hw(hdev);
		if (ret)
		return ret;

		/* Only DCB-supported dev supports qset back pressure and pfc cmd */
		if (!hnae3_dev_dcb_supported(hdev))

Admin message