Commit b4442ec5 authored by Guangbin Huang's avatar Guangbin Huang Committed by David S. Miller
Browse files

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: default avatarGuangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: default avatarHuazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent bcc26e8d

drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c

+28 −0
Original line number Diff line number Diff line
@@ -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

CRA Git | Maintained and supported by SUSTech CRA and CCSE