Commit 4bf49a90 authored by Wey-Yi Guy's avatar Wey-Yi Guy
Browse files

iwlwifi: debugfs file for txfifo command testing

Add debugfs file for REPLY_TXFIFO_FLUSH host command testing.
Signed-off-by: default avatarWey-Yi Guy <>
Signed-off-by: default avatarReinette Chatre <>
parent 65550636
......@@ -1495,6 +1495,30 @@ static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
return ret ? ret : count;
static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos) {
struct iwl_priv *priv = file->private_data;
char buf[8];
int buf_size;
int flush;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%d", &flush) != 1)
return -EINVAL;
if (iwl_is_rfkill(priv))
return -EFAULT;
priv->cfg->ops->lib->dev_txfifo_flush(priv, IWL_DROP_ALL);
return count;
......@@ -1516,6 +1540,7 @@ DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
* Create the debugfs files and directories
......@@ -1574,6 +1599,8 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
if (priv->cfg->ops->lib->dev_txfifo_flush)
DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
if (priv->cfg->sensitivity_calib_by_driver)
DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
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