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net: hns3: keep MAC pause mode when multiple TCs are enabled

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[ Upstream commit d78e5b6a67 ]

Bellow HNAE3_DEVICE_VERSION_V3, MAC pause mode just support one
TC, when enabled multiple TCs, force enable PFC mode.

HNAE3_DEVICE_VERSION_V3 can support MAC pause mode on multiple
TCs, so when enable multiple TCs, just keep MAC pause mode,
and enable PFC mode just according to the user settings.

Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yonglong Liu
2020-11-28 11:51:50 +08:00
committed by Greg Kroah-Hartman
parent f8ba689cb6
commit 8d3d27664e
1 changed files with 22 additions and 1 deletions
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23
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
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@@ -682,7 +682,7 @@ static void hclge_tm_pg_info_init(struct hclge_dev *hdev)
}
}
static void hclge_pfc_info_init(struct hclge_dev *hdev)
static void hclge_update_fc_mode_by_dcb_flag(struct hclge_dev *hdev)
{
if (!(hdev->flag & HCLGE_FLAG_DCB_ENABLE)) {
if (hdev->fc_mode_last_time == HCLGE_FC_PFC)
@@ -700,6 +700,27 @@ static void hclge_pfc_info_init(struct hclge_dev *hdev)
}
}
static void hclge_update_fc_mode(struct hclge_dev *hdev)
{
if (!hdev->tm_info.pfc_en) {
hdev->tm_info.fc_mode = hdev->fc_mode_last_time;
return;
}
if (hdev->tm_info.fc_mode != HCLGE_FC_PFC) {
hdev->fc_mode_last_time = hdev->tm_info.fc_mode;
hdev->tm_info.fc_mode = HCLGE_FC_PFC;
}
}
static void hclge_pfc_info_init(struct hclge_dev *hdev)
{
if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3)
hclge_update_fc_mode(hdev);
else
hclge_update_fc_mode_by_dcb_flag(hdev);
}
static void hclge_tm_schd_info_init(struct hclge_dev *hdev)
{
hclge_tm_pg_info_init(hdev);