net: hns3: Add "qos pause" config info query function

This patch prints qos pause config information.

debugfs command:
echo dump qos pause cfg > cmd

Sample Command:
root@(none)# echo dump qos pause cfg > cmd
hns3 0000:7d:00.0: dump qos pause cfg
hns3 0000:7d:00.0: pause_trans_gap: 0xff
hns3 0000:7d:00.0: pause_trans_time: 0xffff
root@(none)#

Signed-off-by: liuzhongzhu <liuzhongzhu@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
index 478c133..6258695 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -132,6 +132,7 @@ static void hns3_dbg_help(struct hnae3_handle *h)
        dev_info(&h->pdev->dev, "dump fd tcam\n");
        dev_info(&h->pdev->dev, "dump tc\n");
        dev_info(&h->pdev->dev, "dump tm\n");
+       dev_info(&h->pdev->dev, "dump qos pause cfg\n");
 }
 
 static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer,

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
index e8f1233..37b312b 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
@@ -242,6 +242,29 @@ err_tm_cmd_send:
                cmd, ret);
 }
 
+static void hclge_dbg_dump_qos_pause_cfg(struct hclge_dev *hdev)
+{
+       struct hclge_cfg_pause_param_cmd *pause_param;
+       struct hclge_desc desc;
+       int ret;
+
+       hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_MAC_PARA, true);
+
+       ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+       if (ret) {
+               dev_err(&hdev->pdev->dev, "dump checksum fail, status is %d.\n",
+                       ret);
+               return;
+       }
+
+       pause_param = (struct hclge_cfg_pause_param_cmd *)desc.data;
+       dev_info(&hdev->pdev->dev, "dump qos pause cfg\n");
+       dev_info(&hdev->pdev->dev, "pause_trans_gap: 0x%x\n",
+                pause_param->pause_trans_gap);
+       dev_info(&hdev->pdev->dev, "pause_trans_time: 0x%x\n",
+                pause_param->pause_trans_time);
+}
+
 static void hclge_dbg_fd_tcam_read(struct hclge_dev *hdev, u8 stage,
                                   bool sel_x, u32 loc)
 {
@@ -307,6 +330,8 @@ int hclge_dbg_run_cmd(struct hnae3_handle *handle, char *cmd_buf)
                hclge_dbg_dump_tc(hdev);
        } else if (strncmp(cmd_buf, "dump tm", 7) == 0) {
                hclge_dbg_dump_tm(hdev);
+       } else if (strncmp(cmd_buf, "dump qos pause cfg", 18) == 0) {
+               hclge_dbg_dump_qos_pause_cfg(hdev);
        } else {
                dev_info(&hdev->pdev->dev, "unknown command\n");
                return -EINVAL;