From: Yunsheng Lin <linyunsheng@huawei.com>
Date: Wed, 23 Jan 2019 07:39:35 +0800
Subject: net: hns3: do not return GE PFC setting err when initializing
Patch-mainline: v5.1-rc1
Git-commit: 44e59e375bf7785660a250f61e802996894d148a
References: bsc#1126390
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 <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c | 6 ++---
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 2 -
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c | 19 ++++++++++------
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h | 4 +--
4 files changed, 18 insertions(+), 13 deletions(-)
--- 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
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 hnae
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_h
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;
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -7438,7 +7438,7 @@ static int hclge_reset_ae_dev(struct hna
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;
--- 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 hclg
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_de
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 hc
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 *h
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
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)
--- 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);