From b4442ec547287a624478339d832b1dd90bba14ee Mon Sep 17 00:00:00 2001 From: Guangbin Huang Date: Tue, 29 Sep 2020 17:32:04 +0800 Subject: [PATCH] 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 Signed-off-by: Huazhong Tan Signed-off-by: David S. Miller --- .../ethernet/hisilicon/hns3/hns3_debugfs.c | 28 +++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index 15333ec5f035..d6f8817a95f1 100644 --- 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 \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 -- 2.20.1