Merge tag 'mt76-for-kvalo-2021-01-29' of https://github.com/nbd168/wireless

[linux-2.6-microblaze.git] / drivers / net / ethernet / hisilicon / hns3 / hns3_debugfs.c

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
index 9d4e9c0..36c7813 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -7,7 +7,7 @@
 #include "hnae3.h"
 #include "hns3_enet.h"
 
-#define HNS3_DBG_READ_LEN 256
+#define HNS3_DBG_READ_LEN 65536
 #define HNS3_DBG_WRITE_LEN 1024
 
 static struct dentry *hns3_dbgfs_root;
@@ -389,6 +389,9 @@ static void hns3_dbg_dev_specs(struct hnae3_handle *h)
                 kinfo->tc_info.num_tc);
        dev_info(priv->dev, "MAX INT QL: %u\n", dev_specs->int_ql_max);
        dev_info(priv->dev, "MAX INT GL: %u\n", dev_specs->max_int_gl);
+       dev_info(priv->dev, "MAX frame size: %u\n", dev_specs->max_frm_size);
+       dev_info(priv->dev, "MAX TM RATE: %uMbps\n", dev_specs->max_tm_rate);
+       dev_info(priv->dev, "MAX QSET number: %u\n", dev_specs->max_qset_num);
 }
 
 static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer,
@@ -484,6 +487,39 @@ static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer,
        return count;
 }
 
+static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer,
+                            size_t count, loff_t *ppos)
+{
+       struct hnae3_handle *handle = filp->private_data;
+       const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+       struct hns3_nic_priv *priv = handle->priv;
+       char *cmd_buf, *read_buf;
+       ssize_t size = 0;
+       int ret = 0;
+
+       read_buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL);
+       if (!read_buf)
+               return -ENOMEM;
+
+       cmd_buf = filp->f_path.dentry->d_iname;
+
+       if (ops->dbg_read_cmd)
+               ret = ops->dbg_read_cmd(handle, cmd_buf, read_buf,
+                                       HNS3_DBG_READ_LEN);
+
+       if (ret) {
+               dev_info(priv->dev, "unknown command\n");
+               goto out;
+       }
+
+       size = simple_read_from_buffer(buffer, count, ppos, read_buf,
+                                      strlen(read_buf));
+
+out:
+       kfree(read_buf);
+       return size;
+}
+
 static const struct file_operations hns3_dbg_cmd_fops = {
        .owner = THIS_MODULE,
        .open  = simple_open,
@@ -491,14 +527,31 @@ static const struct file_operations hns3_dbg_cmd_fops = {
        .write = hns3_dbg_cmd_write,
 };
 
+static const struct file_operations hns3_dbg_fops = {
+       .owner = THIS_MODULE,
+       .open  = simple_open,
+       .read  = hns3_dbg_read,
+};
+
 void hns3_dbg_init(struct hnae3_handle *handle)
 {
+       struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
        const char *name = pci_name(handle->pdev);
+       struct dentry *entry_dir;
 
        handle->hnae3_dbgfs = debugfs_create_dir(name, hns3_dbgfs_root);
 
        debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle,
                            &hns3_dbg_cmd_fops);
+
+       entry_dir = debugfs_create_dir("tm", handle->hnae3_dbgfs);
+       if (ae_dev->dev_version > HNAE3_DEVICE_VERSION_V2)
+               debugfs_create_file(HNAE3_DBG_TM_NODES, 0600, entry_dir, handle,
+                                   &hns3_dbg_fops);
+       debugfs_create_file(HNAE3_DBG_TM_PRI, 0600, entry_dir, handle,
+                           &hns3_dbg_fops);
+       debugfs_create_file(HNAE3_DBG_TM_QSET, 0600, entry_dir, handle,
+                           &hns3_dbg_fops);
 }
 
 void hns3_dbg_uninit(struct hnae3_handle *handle)