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| author |   Yufeng Mo <moyufeng@huawei.com> | 2019-09-05 21:31:41 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-09-06 15:20:35 +0200 |
| commit | 1cbc662dd847ea4d6e934002757d3e00449013f4 (patch) | |
| tree | 998cc375b334331820b955e150d0293603426591 | |
| parent | net: hns3: remove explicit conversion to bool (diff) | |
| download | linux-dev-1cbc662dd847ea4d6e934002757d3e00449013f4.tar.xz linux-dev-1cbc662dd847ea4d6e934002757d3e00449013f4.zip | |
net: hns3: disable loopback setting in hclge_mac_init
If the selftest and reset are performed at the same time, the loopback
setting may be still in the enable state after the reset. As a result,
packets cannot be sent out.
This patch fixes this issue by disabling loopback in hclge_mac_init.
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index dde752f4e3bd..8d4dc1b019c1 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -66,6 +66,7 @@ static void hclge_rfs_filter_expire(struct hclge_dev *hdev); static void hclge_clear_arfs_rules(struct hnae3_handle *handle); static enum hnae3_reset_type hclge_get_reset_level(struct hnae3_ae_dev *ae_dev, unsigned long *addr); +static int hclge_set_default_loopback(struct hclge_dev *hdev); static struct hnae3_ae_algo ae_algo; @@ -2599,6 +2600,10 @@ static int hclge_mac_init(struct hclge_dev *hdev) return ret; } + ret = hclge_set_default_loopback(hdev); + if (ret) + return ret; + ret = hclge_buffer_alloc(hdev); if (ret) dev_err(&hdev->pdev->dev, @@ -6331,7 +6336,7 @@ static int hclge_set_app_loopback(struct hclge_dev *hdev, bool en) return ret; } -static int hclge_set_serdes_loopback(struct hclge_dev *hdev, bool en, +static int hclge_cfg_serdes_loopback(struct hclge_dev *hdev, bool en, enum hnae3_loop loop_mode) { #define HCLGE_SERDES_RETRY_MS 10 @@ -6392,6 +6397,17 @@ static int hclge_set_serdes_loopback(struct hclge_dev *hdev, bool en, dev_err(&hdev->pdev->dev, "serdes loopback set failed in fw\n"); return -EIO; } + return ret; +} + +static int hclge_set_serdes_loopback(struct hclge_dev *hdev, bool en, + enum hnae3_loop loop_mode) +{ + int ret; + + ret = hclge_cfg_serdes_loopback(hdev, en, loop_mode); + if (ret) + return ret; hclge_cfg_mac_mode(hdev, en); @@ -6535,6 +6551,22 @@ static int hclge_set_loopback(struct hnae3_handle *handle, return 0; } +static int hclge_set_default_loopback(struct hclge_dev *hdev) +{ + int ret; + + ret = hclge_set_app_loopback(hdev, false); + if (ret) + return ret; + + ret = hclge_cfg_serdes_loopback(hdev, false, HNAE3_LOOP_SERIAL_SERDES); + if (ret) + return ret; + + return hclge_cfg_serdes_loopback(hdev, false, + HNAE3_LOOP_PARALLEL_SERDES); +} + static void hclge_reset_tqp_stats(struct hnae3_handle *handle) { struct hclge_vport *vport = hclge_get_vport(handle); |