diff options
| author |   Guangbin Huang <huangguangbin2@huawei.com> | 2021-08-16 10:15:29 +0800 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2021-08-16 15:12:14 -0700 |
| commit | f5c2b9f0fc078308a88de807d60cd4e352a165fc (patch) | |
| tree | 7cfa1584bf38a0b9b601a165c0a471b0b969244f /drivers/net/ethernet/hisilicon/hns3/hns3pf | |
| parent | net: hns3: add header file hns3_ethtoo.h (diff) | |
| download | linux-dev-f5c2b9f0fc078308a88de807d60cd4e352a165fc.tar.xz linux-dev-f5c2b9f0fc078308a88de807d60cd4e352a165fc.zip | |
net: hns3: add support ethtool extended link state
In order to know the reason of link up failure, add supporting ethtool
extended link state. Driver reads the link status code from firmware if
in link down state and converts it to ethtool extended link state.
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3pf')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 24 |
2 files changed, 27 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h index 18bde77ef944..8e5be127909b 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h @@ -316,6 +316,9 @@ enum hclge_opcode_type { /* PHY command */ HCLGE_OPC_PHY_LINK_KSETTING = 0x7025, HCLGE_OPC_PHY_REG = 0x7026, + + /* Query link diagnosis info command */ + HCLGE_OPC_QUERY_LINK_DIAGNOSIS = 0x702A, }; #define HCLGE_TQP_REG_OFFSET 0x80000 diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 9fd15287986f..8779a63d51b3 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -12843,6 +12843,29 @@ static int hclge_get_module_eeprom(struct hnae3_handle *handle, u32 offset, return 0; } +static int hclge_get_link_diagnosis_info(struct hnae3_handle *handle, + u32 *status_code) +{ + struct hclge_vport *vport = hclge_get_vport(handle); + struct hclge_dev *hdev = vport->back; + struct hclge_desc desc; + int ret; + + if (hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) + return -EOPNOTSUPP; + + hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_QUERY_LINK_DIAGNOSIS, true); + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + if (ret) { + dev_err(&hdev->pdev->dev, + "failed to query link diagnosis info, ret = %d\n", ret); + return ret; + } + + *status_code = le32_to_cpu(desc.data[0]); + return 0; +} + static const struct hnae3_ae_ops hclge_ops = { .init_ae_dev = hclge_init_ae_dev, .uninit_ae_dev = hclge_uninit_ae_dev, @@ -12943,6 +12966,7 @@ static const struct hnae3_ae_ops hclge_ops = { .set_tx_hwts_info = hclge_ptp_set_tx_info, .get_rx_hwts = hclge_ptp_get_rx_hwts, .get_ts_info = hclge_ptp_get_ts_info, + .get_link_diagnosis_info = hclge_get_link_diagnosis_info, }; static struct hnae3_ae_algo ae_algo = { |