net: hns3: debugfs add new command to query device specifications

In order to query specifications of the device, add a new debugfs
command "dev spec" to do that.

Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@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 15333ec5f035bed0da36011fef01adb8737444b1..d6f8817a95f1a0fd30523e95c3e344d75aadb2fd 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -245,6 +245,7 @@ static void hns3_dbg_help(struct hnae3_handle *h)
        dev_info(&h->pdev->dev, "queue map\n");
        dev_info(&h->pdev->dev, "bd info <q_num> <bd index>\n");
        dev_info(&h->pdev->dev, "dev capability\n");
+       dev_info(&h->pdev->dev, "dev spec\n");
 
        if (!hns3_is_phys_func(h->pdev))
                return;
@@ -307,6 +308,31 @@ static void hns3_dbg_dev_caps(struct hnae3_handle *h)
                 test_bit(HNAE3_DEV_SUPPORT_INT_QL_B, caps) ? "yes" : "no");
 }
 
+static void hns3_dbg_dev_specs(struct hnae3_handle *h)
+{
+       struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
+       struct hnae3_dev_specs *dev_specs = &ae_dev->dev_specs;
+       struct hnae3_knic_private_info *kinfo = &h->kinfo;
+       struct hns3_nic_priv *priv  = h->priv;
+
+       dev_info(priv->dev, "MAC entry num: %u\n", dev_specs->mac_entry_num);
+       dev_info(priv->dev, "MNG entry num: %u\n", dev_specs->mng_entry_num);
+       dev_info(priv->dev, "MAX non tso bd num: %u\n",
+                dev_specs->max_non_tso_bd_num);
+       dev_info(priv->dev, "RSS ind tbl size: %u\n",
+                dev_specs->rss_ind_tbl_size);
+       dev_info(priv->dev, "RSS key size: %u\n", dev_specs->rss_key_size);
+       dev_info(priv->dev, "RSS size: %u\n", kinfo->rss_size);
+       dev_info(priv->dev, "Allocated RSS size: %u\n", kinfo->req_rss_size);
+       dev_info(priv->dev, "Task queue pairs numbers: %u\n", kinfo->num_tqps);
+
+       dev_info(priv->dev, "RX buffer length: %u\n", kinfo->rx_buf_len);
+       dev_info(priv->dev, "Desc num per TX queue: %u\n", kinfo->num_tx_desc);
+       dev_info(priv->dev, "Desc num per RX queue: %u\n", kinfo->num_rx_desc);
+       dev_info(priv->dev, "Total number of enabled TCs: %u\n", kinfo->num_tc);
+       dev_info(priv->dev, "MAX INT QL: %u\n", dev_specs->int_ql_max);
+}
+
 static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer,
                                 size_t count, loff_t *ppos)
 {
@@ -384,6 +410,8 @@ static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer,
                ret = hns3_dbg_bd_info(handle, cmd_buf);
        else if (strncmp(cmd_buf, "dev capability", 14) == 0)
                hns3_dbg_dev_caps(handle);
+       else if (strncmp(cmd_buf, "dev spec", 8) == 0)
+               hns3_dbg_dev_specs(handle);
        else if (handle->ae_algo->ops->dbg_run_cmd)
                ret = handle->ae_algo->ops->dbg_run_cmd(handle, cmd_buf);
        else