From: Yunsheng Lin <linyunsh...@huawei.com>

GE MAC does not support PFC, when driver is initializing and MAC
is in GE Mode, ignore the fw not supported error, otherwise
initialization will fail.

Signed-off-by: Yunsheng Lin <linyunsh...@huawei.com>
Signed-off-by: Peng Li <lipeng...@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazh...@huawei.com>
---
 .../hisilicon/hns3/hns3pf/hclge_dcb.c         |  6 +++---
 .../hisilicon/hns3/hns3pf/hclge_main.c        |  2 +-
 .../ethernet/hisilicon/hns3/hns3pf/hclge_tm.c | 19 ++++++++++++-------
 .../ethernet/hisilicon/hns3/hns3pf/hclge_tm.h |  4 ++--
 4 files changed, 18 insertions(+), 13 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c
index 5f7ac63707b8..7db491086fea 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c
@@ -166,7 +166,7 @@ static int hclge_map_update(struct hnae3_handle *h)
        if (ret)
                return ret;
 
-       ret = hclge_pause_setup_hw(hdev);
+       ret = hclge_pause_setup_hw(hdev, false);
        if (ret)
                return ret;
 
@@ -313,7 +313,7 @@ static int hclge_ieee_setpfc(struct hnae3_handle *h, struct 
ieee_pfc *pfc)
 
        hdev->tm_info.hw_pfc_map = pfc_map;
 
-       return hclge_pause_setup_hw(hdev);
+       return hclge_pause_setup_hw(hdev, false);
 }
 
 /* DCBX configuration */
@@ -361,7 +361,7 @@ static int hclge_setup_tc(struct hnae3_handle *h, u8 tc, u8 
*prio_tc)
        hclge_tm_schd_info_update(hdev, tc);
        hclge_tm_prio_tc_info_update(hdev, prio_tc);
 
-       ret = hclge_tm_init_hw(hdev);
+       ret = hclge_tm_init_hw(hdev, false);
        if (ret)
                return ret;
 
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 3ba8de93bc3d..6fb3144eb79d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -7428,7 +7428,7 @@ static int hclge_reset_ae_dev(struct hnae3_ae_dev *ae_dev)
                return ret;
        }
 
-       ret = hclge_tm_init_hw(hdev);
+       ret = hclge_tm_init_hw(hdev, true);
        if (ret) {
                dev_err(&pdev->dev, "tm init hw fail, ret =%d\n", ret);
                return ret;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
index d057c9f03175..44316602c2fc 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
@@ -1255,7 +1255,7 @@ static int hclge_tm_bp_setup(struct hclge_dev *hdev)
        return ret;
 }
 
-int hclge_pause_setup_hw(struct hclge_dev *hdev)
+int hclge_pause_setup_hw(struct hclge_dev *hdev, bool init)
 {
        int ret;
 
@@ -1271,10 +1271,15 @@ int hclge_pause_setup_hw(struct hclge_dev *hdev)
        if (!hnae3_dev_dcb_supported(hdev))
                return 0;
 
-       /* When MAC is GE Mode, hdev does not support pfc setting */
+       /* GE MAC does not support PFC, when driver is initializing and MAC
+        * is in GE Mode, ignore the error here, otherwise initialization
+        * will fail.
+        */
        ret = hclge_pfc_setup_hw(hdev);
-       if (ret)
-               dev_warn(&hdev->pdev->dev, "set pfc pause failed:%d\n", ret);
+       if (init && ret == -EOPNOTSUPP)
+               dev_warn(&hdev->pdev->dev, "GE MAC does not support pfc\n");
+       else
+               return ret;
 
        return hclge_tm_bp_setup(hdev);
 }
@@ -1314,7 +1319,7 @@ void hclge_tm_schd_info_update(struct hclge_dev *hdev, u8 
num_tc)
        hclge_tm_schd_info_init(hdev);
 }
 
-int hclge_tm_init_hw(struct hclge_dev *hdev)
+int hclge_tm_init_hw(struct hclge_dev *hdev, bool init)
 {
        int ret;
 
@@ -1326,7 +1331,7 @@ int hclge_tm_init_hw(struct hclge_dev *hdev)
        if (ret)
                return ret;
 
-       ret = hclge_pause_setup_hw(hdev);
+       ret = hclge_pause_setup_hw(hdev, init);
        if (ret)
                return ret;
 
@@ -1345,7 +1350,7 @@ int hclge_tm_schd_init(struct hclge_dev *hdev)
        if (ret)
                return ret;
 
-       return hclge_tm_init_hw(hdev);
+       return hclge_tm_init_hw(hdev, true);
 }
 
 int hclge_tm_vport_map_update(struct hclge_dev *hdev)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h
index ef3f93b70c22..f60e540c7a62 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h
@@ -143,12 +143,12 @@ struct hclge_port_shapping_cmd {
 
 int hclge_tm_schd_init(struct hclge_dev *hdev);
 int hclge_tm_vport_map_update(struct hclge_dev *hdev);
-int hclge_pause_setup_hw(struct hclge_dev *hdev);
+int hclge_pause_setup_hw(struct hclge_dev *hdev, bool init);
 int hclge_tm_schd_setup_hw(struct hclge_dev *hdev);
 void hclge_tm_prio_tc_info_update(struct hclge_dev *hdev, u8 *prio_tc);
 void hclge_tm_schd_info_update(struct hclge_dev *hdev, u8 num_tc);
 int hclge_tm_dwrr_cfg(struct hclge_dev *hdev);
-int hclge_tm_init_hw(struct hclge_dev *hdev);
+int hclge_tm_init_hw(struct hclge_dev *hdev, bool init);
 int hclge_mac_pause_en_cfg(struct hclge_dev *hdev, bool tx, bool rx);
 int hclge_pause_addr_cfg(struct hclge_dev *hdev, const u8 *mac_addr);
 int hclge_pfc_rx_stats_get(struct hclge_dev *hdev, u64 *stats);
-- 
2.20.1


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